Newer Aspects of the Biotransformation of Carbamazepine: Structural Characterization of Highly Polar Metabolites.- Distribution in Brain Areas of Carbamazepine and Carbamazepine-10,11-epoxide in 6-Hydroxydopamine Pretreated Rats.- Specific Ion Detection of Aryloxy Beta Blocking Drugs for Metabolic Fate Determinations-Applications to Alprenolol in Rats and Dogs.- The Use of GC-MS in Perinatal Pharmacology: The Metabolism and Pharmacokinetics of Analgesic Drugs in Mothers and Their Babies.- Studies on the Measurement of ?-Methyldopa in Pregnant Women and the Newborn Infant.- Gas Chromatography-Mass Spectrometry Identification of Some Urinary Metabolites of Thiopropamine, a New Antiulcer Agent.- Metabolism and Pharmacokinetics of Bromopride in Rat and Man.- GC and MS in the Identification of Metabolites of 5-(1-methylethyl)-1-methyl-2-nitro-l H-imidazole in Dogs.- Isolation and Identification of Oxidized Metabolites of Phenazopyridine from Rat Urine.- The GC-MS Analysis of Unchanged Suloctidil (sulocton (R)) in Plasma and Urine.- Direct Quantification of Apovincaminic Acid Ethyl Ester (cavinton (R)) in Human Plasma and Urine by Mass Fragmentography.- A Mass Fragmentographic Method for the Determination of Mescaline in Biological Fluids.- Comparative in vivo Metabolism of ?1-tetrahydrocannabinol (?1-THC), cannabidiol (CBD) and cannabinol (CBN) by Several Species.- Chemical Ionization Techniques for the Analysis of Labile Compounds: 1,3-bis-(2-chloroethyl)-1-nitrosourea Plasma Clearance and Degradation.- Metabolic Profile of Biological Constituents: (1) the Effects of Sodium Dipropylacetate on Human Urinary Acids.- Investigation of Unusual Metabolites in the Urine of a Patient with Propionic Acidemia.- Identification and Quantification of Gamma-Aminobutyric Acid in Human Cerebrospinal Fluid by Gas Chromatography- Mass Spectrometry.- A New Derivatization Approach for the Determination of Prostaglandin A1 by Mass Fragmentography.- The Use of Stable Oxygen Isotopes and Massl³!