Journal of Chromatographic Science

Article	Citations
UHPLC-MS/MS Method Development and Validation for the Genotoxic Impurities Trimethyl Phosphate and Triisopropyl Phosphate of Elagolix Sodium	38
Correction to: Thiazolidinediones: Recent Development in Analytical Methodologies	25
Thermodynamic Characterization of Polyetherimide/Single-Walled Carbon Nanotube Composites	24
A Simple and Highly Sensitive Liquid Chromatographic-Mass Spectrometric Method for the Determination of Itraconazole and Its Major Metabolite in Human Plasma and Its Application to a Bioequivalence St	23
Correction to: Determination of Azole Fungicide Residues in Fresh Juice by Magnetic Solid Phase Extraction Based on Fe3O4@ZnAl-LDH@MIL-53(Al) Sorbent in Combination with High-Performance Liquid Chroma	22
Development of a Validated UPLC–MS/MS Method for Simultaneous Estimation of Neratinib and Curcumin in Human Plasma: Application to Greenness Assessment and Routine Quantification	21
Development of a Novel Ultrasound Vacuum-Assisted Headspace Solid-Phase Microextraction Approach for Determination of Solvent Residuals in Pharmaceuticals and Comparison with Traditional Headspace Sol	20
Determination of Residual Dimethyl Sulfate in Cephalosporin Using HS-SPME/GC–MS	16
Theoretical Study of Non-Isothermal Gradient Elution Liquid Chromatography	16
Comparison of Plasma Concentration of Linezolid’s Detection by FICA and LC–MS/MS	15
Identification of Two Novel Hydroperoxide Impurities in Fluocinolone Acetonide Topical Solution by Liquid Chromatography Mass Spectrometry	14
Structure Elucidation and Quantitation of 11 N′-n-Acylnornicotines in Cherry-Red Tobacco	13
UPLC–MS/MS Method Development for Simultaneous Estimation of Diclofenac and Resveratrol-Loaded Liposomal Gel Formulation in Mice Skin Model: Application to Dermatokinetic Study	12
Analysis of Chemical Constituents in Asarum Heterotropoides Based on High Performance Liquid Chromatography Fingerprint and Ultra Performance Liquid Chro	11
Quantitative analysis of characteristic aroma components in rose hydrosol by reversed-phase liquid chromatography using hydroxypropyl-β-cyclodextrin as mobile-phase additive	10
Development and Validation of Robust, Highly Sensitive and Stability-Indicating RP-HPLC Method for Estimation of Deferasirox and its Degradation Products	9
Analytical Methods for Estimating Metformin Hydrochloride, Pioglitazone and Teneligliptin in Diabetes Management: a Comprehensive Review	9
Extension of an Ultra-High Performance Liquid Chromatography–MS/MS Method for the Determination of C3 Epimers of 25-Hydroxyl Derivatives of Vitamin D in Human Plasma	9
Central Composite Design Expert-Supported RP-HPLC Optimization and Quantitative Evaluation of Efonidipine Hydrochloride Ethanolate & Chlorthalidone in Tablet	9
Development of a Thin-Layer Chromatography-Enzymatic Test Combination Method for the Isolation of α-Glucosidase Inhibitors From Thymelaea hirsuta	9
Development of Different Separation Techniques for Impurity Profiling of Neostigmine Methylsulfate: A Comparative Study	9
Analytical quality by design (AQbD)-assisted bioanalytical method for the estimation of Lasmiditan in human plasma by reverse phase–high performance liquid chromatography (RP-HPLC)	8
Analytical Quality Risk Assessment and Design of Experiments to Green HPTLC Method for Simultaneous Estimation of Sildenafil Citrate and Dapoxetine Hydrochloride	8
Implementation of White Analytical Chemistry–Assisted Analytical Quality by Design Approach to Green Liquid Chromatographic Method for Concomitant Analysis of Anti-Hypertensive Drugs in Human Plasma	7
Chromatographic Methods for the Analysis of the Antipsychotic Drug Clozapine and Its Major Metabolites: A Review	7

A Multi-Analyte LC–MS/MS Method for Determination and Quantification of Six Nitrosamine Impurities in Sartans like Azilsartan, Valsartan, Telmisartan, Olmesartan, Losartan and Irbesartan	7
Simultaneous Quantitation of Anlotinib and Osimertinib by Isotope-Labeled UHPLC–MS/MS in Human Plasma: Application in NSCLC Patients	7
Reverse Phase HPLC Methodology for the Determination of Bay K8644	7
Green TLC-Densitometric Method for Simultaneous Determination of Antazoline and Tetryzoline: Application to Pharmaceutical Formulation and Rabbit Aqueous Humor	7
Simultaneous Determination of Metabolites Related to Arginine Metabolism in Rat plasma by Hydrophilic Interaction Chromatography–Tandem Mass Spectrometry	7
A General Strategy to Rapid and Sensitive Determination of Five High Boiling Point Solvents in Pharmaceuticals by RP-HPLC Combined with Precipitation Method	7
Simultaneous Determination of Thirteen Iridoid Glycosides in Crude and Processed Fructus Corni from Different Areas by UPLC–MS/MS Method	7
Reduction and Hydroxylation Metabolites of Mequindox in Holothurian Analysis by Ultra-Performance Liquid Chromatography–Tandem Mass Spectrometry	7
Development of a Reverse-Phase High-Performance Liquid Chromatography Method for Simultaneous Quantification of Tofacitinib Citrate and Berberine Chloride in Bulk, Injection and Plasma	6
Separation of Three Polar Compounds with Similar Polarities from Swertia mussotii by a Combination of Two Counter-Current Chromatography Modes	6
Expeditive Chromatographic Methods for Quantification of Solifenacin Succinate along with its Official Impurity as the Possible Acid Degradation Product	6
UPLC–PDA Approach for Simultaneous Quantification of Elvitegravir, Tenofovir, Emtricitabine and Cobicistat in Tablets: An MS–ESI Study for Degradation Products	6
Development of a Sensitive and Rapid HPLC–MS Method for Dihydrocodeine and Dihydromorphine: Application to Bioequivalence Studies	6
Simultaneous Bioanalytical Method Development and Validation of Navitoclax and Doxorubicin in Rat Plasma Using UHPLC-HESI-LTQ-MS	6
Evaluation on the Metabolic Activity of Two Carboxylesterase Isozymes in Mouse Liver Microsomes by a LC–MS/MS Method	6
Method Validation for Estimation of Imidacloprid and its Metabolites in Maize and Soil by LCMS-MS	6
Development and Validation of Facile RP-HPLC Method for Simultaneous Determination of Timolol Maleate, Moxifloxacin Hydrochloride, Diclofenac Sodium and Dexamethasone in Plasma, Aqueous Humor and Phar	6
A Methodology for Quantitation of Dictamnine and Fraxinellone and its Application to Study Pharmacokinetics and Bioavailability in Rats Via Oral and Intravenous Administration	6
Immunopurification Reagents and Their Application in Biologics and Biomarker Quantitation Using LC–MS/MS in Drug Discovery	6
Characterization of Chemical Constituents and Metabolites in Rat Plasma after Oral Administration of Zhi-Zi-Hou-Po Decoction by High Performance Liquid Chromatography Coupled with Quadrupole Time-of-F	5
Simultaneous Detection Method of 11 Respiratory Drug Substances Including Theobromine, Oxymetazoline, etc. in Adulterated Dietary Supplements Using Liquid Chromatography–Electrospray Ionization–Tandem	5
RP-LC Method Development and Validation for Dasatinib Forced Degradation Study: Isolation and Structural Characterization by NMR and HRMS	5
Simultaneous Measurement of Mycophenolic Acid with Other Immunosuppressants in Whole Blood and Plasma by Using Liquid Chromatography–Tandem Mass Spectrometry	5
Development and Validation of the HPLC Method for Simultaneous Quantification of Glucose and Xylose in Sugar Cane Bagasse Extract	5
An Eco-Friendly RP-HPLC Method Development and Validation for Quantification of Favipiravir in Bulk and Tablet Dosage Form Followed by Forced Degradation Study	5
Correction to: AGREE and ESA for Greenness Assessment of a Novel Validated RP-HPLC Method for Simultaneous Determination of Aspirin, Warfarin and Clopidogrel in Rat Plasma: Application to Pharmacokine	5
Green Multiplex Chromatographic Determination of Nine Penicillin Antibiotics Residues in Industrial Air Dust and Wastewater Environmental Samples	5
AGREE and ESA for Greenness Assessment of a Novel Validated RP-HPLC Method for Simultaneous Determination of Aspirin, Warfarin and Clopidogrel in Rat Plasma: Application to Pharmacokinetic Study of th	5
Green Chromatographic Assay of Toxic Impurities of Cyproheptadine: In Silico Toxicity Profiling	5
Separation and Purification of Bamboo Leaf Flavones by Polyvinylpolypyrrolidone Adsorption	5
Validated LC/MS/MS Method for the Determination of Rivastigmine in Human Plasma: Application to a Pharmacokinetic Study in Egyptian Volunteers to Determine the Effect of Gender and Body Mass Index	5
Study of Separation and Quantification of Structurally Analogous Reactive Dyes and Their Hydrolyzed Forms in Real Dyeing Process by Micellar Electrokinetic Chromatography	5
Bioanalysis of Endogenous Isotretinoin in Altered and Unaltered Human Plasma by Liquid Chromatography–Tandem Mass Spectrometry Coupled with Electrospray Ionization	5
A Novel Validated GC–MS/MS Method for the Estimation of N-Nitroso Dimethyl Amine and N-Nitroso Diethyl Amine in Zidovudine	4
Design and Optimization of the Extraction Process for Eclipta alba Linn. Using Response Surface Methodology	4
Development and Validation of Rapid and Cost-Effective RP-HPLC/UV Method for Determination of Cetirizine/Levocetirizine in Blood Plasma of Smokers and Non Smokers: a Two Cohort Comparative Study	4
Development and Validation of a New High-Performance Liquid Chromatography-Ultraviolet Assay for Quantification of Mitoxantrone in Plasma of BALB/c-nu Mice	4
Structural Elucidation of Novel Degradation Impurities of Ibrutinib in Ibrutinib Tablets Using Preparative Chromatography, LCMS, HRMS and 2D NMR Techniques	4
Quantification and Standardization of Andrographolide inAndrographis PaniculataSamples by Validated RP-HPLC and HPTLC Methods	4
LC–MS/MS Method Assay for Simultaneous Determination of the Apixaban and Metformin in Rat Plasma: Assessment of Pharmacokinetic Drug–Drug Interaction Study	4
Ayurveda Detoxification Process Reduces Plumbagin from the Roots of Plumbago zeylanica L. – A RP-UFLC Analysis	4
AQbD-Based Development and Validation of HPTLC Method for Simultaneous Determination of Glycopyrronium, Formoterol Fumarate and Budesonide in Rotacaps	4
Ionic Liquid-Based Magnetic Needle Headspace Single-Drop Microextraction Combined with HPLC/UV for the Determination of Chlorophenols in Wastewater	4
Comprehensive Identification of Chemical Fingerprint and Screening of Potential Quality Markers of Aloe vera (L.) Burm. f. from Different Geographical Origins via Ultra-High-Performance Liquid	4
High-Performance Liquid Chromatography Using Ultraviolet Detection for Separation of Terephthalic Acid and Associated Impurities from Recycled Materials	4
Bioanalytical HPLC Method for Quantification of Benidipine in Rat Plasma: Stability and Application to Pharmacokinetic Study	4
A Gadolinium-Based Magnetic Ionic Liquid for Dispersive Liquid–Liquid Microextraction of Ivermectin from Environmental Water	4
Plasticizers Analysis in Extractables and Leachables by Gas Chromatography–Mass Spectrometry with Parallel Polyarc®/Flame Ionization Detector	4
Problems in Commercial Kits of 25-Hydroxy Vitamin D and the Development of Simple, Robust and Faster HPLC Method	4
Determination of Related Substances in Promethazine Hydrochloride and Dextromethorphan Hydrobromide in Oral Solution by RP-HPLC Method	4

Quality Evaluation of Volatile Oil in Yanyangke Mixture (YM) Based on GC–MS Fingerprint, GC Multicomponent Quantitative Analysis and Chemical Pattern Recognition Analysis	4
Comprehensive Quality Evaluation of Danggui–Jianzhong Decoction by Fingerprint Analysis, Multi-Component Quantitation and UPLC-Q-TOF-MS	4
Optimization of Extraction of Four Components from Radix Scrophulariae with Natural Deep Eutectic Solvents and Evaluation of Extract’s Antioxidant Activity	4
Development of Relatively Simple Sample Pretreatment Strategies to Selectively Remove Chromatographic Interfering Peaks of Polysorbate 80 from Liquid Oral Finished Drug Product	4
Simultaneous Estimation of Berberine and Piperine in a Novel Nanoformulation for Epilepsy Control via HPLC	4
Simultaneous Determination of Ten Active Components From Jinhongtang Granule in Rat Plasma by LC–MS/MS and its Application to a Comparative Pharmacokinetic Study in Normal and Sepsis Rats In Vivo	4
A Novel HPLC Method for Quality Inspection of NRK Biosynthesized β-Nicotinamide Mononucleotide	4
Correction to: Solid-Phase Extraction (SPE) Technique to Quantify Cefdinir in Human Plasma Using Liquid Chromatography–Tandem Mass Spectrometry (LC–MS/MS)	4
Stability Indicating Assay Method and LC–MS Characterization of Forced Degradation Products of Pantoprazole and Aspirin	3
Harmonized Approach of Design of Experiments with Green and White Analytical Chemistry in Unified Framework for Synchronous Chromatographic Assay of Diverse Combinations of Anti-diabetic Drugs in Phar	3
Stability-Indicating HPTLC Method for Determination of Remogliflozin Etabonate and Vildagliptin in Tablets	3
Application of Polydopamine-Based Magnetic Solid-Phase Extraction for Highly Sensitive Determination of Aristolochic Acid I from Traditional Chinese Medicine Samples	3
Comprehensive and Validated Chromatographic Techniques for the Estimation of Lercanidipine Hydrochloride and Atenolol in Bulk and Combined Dosage Form in the Presence of Lercanidipine Degradation Prod	3
Revealing the Active Components and Therapeutic Targets of Sanao Decoction against Chronic Obstructive Pulmonary Disease Using Quantitative Analysis of Multi-Components by Single Marker and Network Ph	3
Curcumin-Melamine For Solid-Phase Microextraction of Volatile Organic Compounds from Aqueous Samples	3
Stability Indicating RP-HPLC Method by QbD Approach and LC–MS Characterization of Degradation Products of Mifepristone	3
Structural Elucidation of Novel Degradation Impurity and Development, Validation of a Single HPLC Method for all Putative Impurities of Clobetasol Propionate in a Foam Drug Product	3
Simultaneous Determination of Esafoxolaner, Eprinomectin, Praziquantel, BHT and Their Related Substances in a Topical Finished Product by a Single Reversed-Phase High-Performance Liquid Chromatography	3
Qualitative, Quantitative Analysis and Pharmacokinetic Study of Potentially Active Components of Huangxueyishen Decoction Based on UPLC-MS/MS	3
Using the AQbD Approach, Development and Validation of a Simple, Rapid Stability Indicating Chromatographic Method for Quantification of Related Impurities of Apixaban	3
Preparation and Evaluation of an Azobenzenediamide Bridged bis(β-Cyclodextrin)-Bonded Chiral Stationary Phase for HPLC	3
Analysis of Macamides and Macaenes in Maca from Different Origins	3
Should the Use of Acid Reducing Agents in Conjunction with Ribociclib be Avoided? An Integrated QbD Approach for Assessment of pH-Mediated Interaction	3
Development of a solid phase extraction-high–performance liquid chromatography–ultraviolet detector method for quality control of the rosemary–pepper tincture, a phytotherapic produced by living pharm	3
Use of PLE-ATD-GC/MSMS for the Quantification of Airborne Pesticides in Active and Passive Samples and in Dust	3
Analysis of Fixed-Dose Combination of Three Antihypertensive Drugs by a Green and Quality by Design Approach	3
Simultaneous Determination of Montelukast Sodium and Loratadine by Eco-Friendly Densitometry and Spectrophotometric Methods	3
Ultra-High Performance Liquid Chromatography Method for Bioanalysis of Fampridine Using Dried Blood Spot (DBS) Methodology: Application to Pharmacokinetic Study in Albino Rats	3
Chromatographic Enantioseparation of Chiral Sulfoximines on Polysaccharide-Based Chiral Stationary Phases	3
Development and Validation of UPLC Tandem Mass Spectrometry Assay for Ceftibuten and Sulbactam in Human Plasma	3
Pharmacokinetic Analysis of Two N-Substituted Rosmarinic Acid Analogs in Rat Plasma by Liquid Chromatography-Tandem Mass Spectrometry	3
Simultaneous Quantification of Vancomycin, Linezolid and Voriconazole in Human Plasma by UHPLC–MS/MS: Application in Therapeutic Drug Monitoring	3
A Validated Chiral Chromatography Method for Enantiomeric Separation of Pomalidomide in Human Plasma	3
The Analytical Method Development for Genotoxic Impurities of Lapatinib Ditosylate Monohydrate by Reversed Phase High-Performance Liquid Chromatography	3
Ecofriendly HPLC Method for Simultaneous Determination of the Co-Prescribed Drugs in Chemotherapy Omeprazole, Ondansetron and Deflazacort in Spiked Human Plasma	3
Validation and Application of UPLC-MS/MS Method to Analysis of Glyphosate and its Metabolites in Water	3
Greenness Assessment of HPLC-UV Method for Simultaneous Estimation of Four Antihypertensive Drugs	2
Molecular Dynamics Simulation for the Acidic Compounds Retention Mechanism Study on Octyl-Quaternary Ammonium Mixed-Mode Stationary Phase	2
Comprehensive Profiling of the Chemical Constituents in Dioscorea Bulbifera Using High Performance Liquid Chromatography Coupled to Electrospray Ionization and Quadrupole Time-of-Flight Mass Sp	2
Characterization of the Chemical Constituents in Radix gentianae by Ultra-High Performance Liquid Chromatography Coupled with Quadrupole Time-of-Flight Mass Spectrometry	2
Effect of Vinegar on the Oxidative Stability of Mayonnaise During its Storage	2
A Validated UHPLC–MS/MS Method for Determination of Nalbuphine in Human Plasma and Application for Pharmacokinetic Study of Patients Undergoing General Anesthesia	2
Principal Component Analysis and DoE-Based AQbD Approach to Multipurpose HPTLC Method for Synchronous Estimation of Multiple FDCs of Metformin HCl, Repaglinide, Glibenclamide and Pioglitazone HCl	2
Determination of Whole Molecular of Thermostable Direct Hemolysins in Milk Powder by HPLC-ESI-TOF	2
Development and Validation of Chromatographic Methods for Simultaneous Estimation of Aspirin and Pantoprazole Sodium in Pure and Mixture Form	2
Salting-Out Assisted Liquid–Liquid Microextraction and Reverse-Phase Chromatographic Quantification of Two Neonicotinoid Insecticides from Fruits and Vegetables	2
Analytical Quality-by-Design-Based Systematic Optimization of RP-HPLC Method Conditions to Analyze Simultaneously Chloroquine Phosphate and Flavopiridol in Stress-Induced Combined Drug Solution and Ph	2
Is it Time to Migrate to Liquid Chromatography Automated Platforms in the Clinical Laboratory? A Brief Point of View	2
Simultaneous Determination of the Content of Isoimperatorin, Imperatorin, Oxypeucedanin, Xanthotoxol and Byakangelicin in Angelica dahurica by HPTLC Scanning	2
An Analytical Approach by Tri-Combination of Gradient UFLC, Response Surface Methodology and Green Chemistry Principle for Simultaneous Quantification of Azelnidipine and Chlorthalidone in Rabbit Plas	2
Simultaneous Determination of D and L Enantiomers of 2-Hydroxyglutarate by UHPLC–MS/MS Method in Human Biological Fluids and its Clinical Application	2
Fast Determination of Propofol in Human Plasma Using C18-Functionalized Magnetic Nanomaterials Followed by Supercritical Fluid Chromatography	2
An Analytical Method for Determining N-Nitrosodimethylamine and N-Nitrosodiethylamine Contamination in Irbesartan, Olmesartan and Metformin by UPLC-APCI-MS/MS in Tablet Dosage Form	2
Quantification of Remimazolam Besylate (CNS7056B) and Its Metabolite (CNS7054X) by LC–MS/MS in Human Plasma Using Midazolam-d4 Maleate as Internal Standard	2
A GC–MS Method for Determination of β-Propiolactone Residues in Inactivated Covid-19 Vaccines	2
Solid-Phase Extraction (SPE) Technique to Quantify Cefdinir in Human Plasma Using Liquid Chromatography–Tandem Mass Spectrometry (LC–MS/MS)	2
Development of a Quantification Method for Procyanidin B1 and B3 in Pine Bark Extracts Using Heart-Cutting HPLC	2
An Investigative Review for Pharmaceutical Analysis of Fenofibrate	2
Development and Validation of an HPLC Method for Determination of the Accumulation Patterns of Coumarin and 2-Hydroxycinnamic Acid in Different Parts of Eupatorium Fortunei	2
Rapid Identification of Alkaloids and Flavonoids in Fissistigma oldhamii var. longistipitatum by Ultra High-Performance Liquid Chromatography and Quadrupole Time-of-Flight Tandem Mass Spectrome	2
Determination of Atropine by HPLC in Plant of Datura by Liquid–Liquid Extraction and Magnet Solid-Phase Extraction	2
Green and Sustainable Analytical Chemistry-Driven Chromatographic Method Development for Stability Study of Apixaban Using Box–Behnken Design and Principal Component Analysis	2
A New Headspace Gas Chromatography Method for Determination of Ethylene Oxide and Dioxane in Polyethylene Glycols	2
Quantitation of Catechin, Epicatechin, Quercetin and Kaempferol by Liquid Chromatography with Diode Array Detection and Friedelin by Gas Chromatography Coupled to Mass Spectrometry in Maytenus ilic	2
Development and Validation of a High-Performance Thin-Layer Chromatography Method for Simultaneous Quantification of Bergenin and Oleanolic Acid in Pashanbhed, Lambadi and Kalipath	2
A Rapid and Validated Reversed-Phase High-Performance Liquid Chromatographic Method with Pre-Column Derivatization and Fluorescence Detection for Quantification of Twenty Amino Acids in Total Parenter	2
Method for Simultaneous Determination of Amino Acid Surfactants Sodium N-Lauroylsarcosinate and Sodium Methyl Cocoyl Taurate in Personal Care Products, by Using High Performance Liquid Chromatography	2
High-Performance Liquid Chromatography Fingerprint Combined with Chemical Pattern Recognition Method to Evaluate the Correlations and Differences between Aster tataricus	2
Rapid Characterization and Identification of the Chemical Constituents in San-Huang-Xie-Xin-Tang, a Traditional Chinese Medicine Formula, by High Performance Liquid Chromatography Coupled to Electrosp	2
Study of Pharmacokinetics for Ivermectin B1a from Beagle Dogs	2
Simultaneous Determination of 30 Flavonoids in Jinqiancao Granules by LC–MS/MS	2
Quantification of Luteolin, Apigenin and Chrysoeriol in Tecoma stans by RP-HPLC Method	2
Establishment and Molecular Modeling Study of Cyclodextrin-Based Synergistic Enantioseparation Systems with Three New Amino Acid Chiral Ionic Liquids as Additives in Capillary Electrophoresis	2
Synthesis of Molecularly Imprinted Polymers Based on a New Monomer “2-(4-Vinylphenyl) Quinoline-4-Carboxylic Acid” for the Selective Solid-Phase Extraction of Lamotrigine	2
Analysis of 12 Chemical Compounds And Pattern Recognition of Different Parts of Angelicae Sinensis Radix by Liquid Chromatography–Tandem Mass Spectrometry And Chemometrics Methods	2
Chromatographic Separation and Quantification of Nine Nitrosamine Genotoxic Impurities in a Single Method in Nebivolol Tablet by Using Validated Ultra-Sensitive Liquid Chromatography: Mass Spectrometr	2
A Simple HPLC-UV Method for Ivosidenib Determination in Human Plasma	2
Quetiapine Fumarate: A Review of Analytical Methods	2
Application of Box–Behnken Design and Response Surface Methodology for Selecting the Optimum RP-HPLC Conditions for the Simultaneous Determination of Paracetamol and Diclofenac Sodium Along With Three	2
New Insights into the Quality Control Strategies of Inula racemosa Hook. F. (Pushkarmula) and Saussurea lappa Decne. (Kuth): Medicinal Crops of Alpine Himalaya	2

LC and LC–MS/MS Studies for the Separation and Identification of Impurities and Degradation Products of Betaxolol	2
Development and Validation of a RP-HPLC Method for the Simultaneous Determination of Silver Sulfadiazine and Sodium Hyaluronate in the Presence of Methyl and Propyl Paraben in a Pharmaceutical Cream f	2