Therapeutic Drug Monitoring of HIV-Protease Inhibitors to Assess Noncompliance
Relationship Between Plasma Concentrations of 5-Fluorouracil and 5-Fluoro-5,6-Dihydrouracil and Toxicity of 5-Fluorouracil Infusions in Cancer Patients
Therapeutic Drug Monitoring of Theophylline in Frail Elderly Patients: Oral Compared With Nasogastric Tube Administration
Mycophenolic Acid and Mycophenolic Acid Glucuronide Pharmacokinetics in Pediatric Liver Transplant Recipients: Effect of Cyclosporine and Tacrolimus Comedication
Comparison of an ELISA and an LC/MS/MS Method for Measuring Tacrolimus Concentrations and Making Dosage Decisions in Transplant Recipients
Plasma Concentrations of the Enantiomers of Fluoxetine and Norfluoxetine: Sources of Variability and Preliminary Observations on Relations With Clinical Response
Potential Prevention of Neural Tube Defects by Assessment of Women of Childbearing Age Through Monitoring of Folate
Does Lamotrigine Influence Valproate Concentrations?
Effect of Chinese Medicines Chan Su and Danshen on EMIT 2000 and Randox Digoxin Immunoassays: Wide Variation in Digoxin-like Immunoreactivity and Magnitude of Interference in Digoxin Measurement by Different Brands of the Same Product
Direct Quantification of Ethyl Glucuronide in Clinical Urine Samples by Liquid Chromatography–Mass Spectrometry
Optimizing the Hydrolysis of Codeine and Morphine Glucuronides in Urine
Liquid Chromatography Tandem Mass Spectrometry Assay for Topiramate Analysis in Plasma and Cerebrospinal Fluid: Validation and Comparison With Fluorescence-Polarization Immunoassay
A Simple Method for Quantifying Fentanyl, Sufentanil, or Morphine in Discard Syringes From Anesthesia Procedures
Simultaneous Determination of Rifampicin and Efavirenz in Plasma