To Liquid Chromatography -- Principles of Liquid Chromatography -- Instrumentation for Liquid Chromatography -- Liquid Chromatography Column Technology -- Therapeutic Drug Monitoring and Toxicology -- Why Measure Drug Levels? -- Anticonvulsants -- Theophylline and Antiarrhythmics -- Antibiotics -- Tricyclic Antidepressants -- Antineoplastic Drugs -- Hypnotics and Sedatives -- Toxicology Screening -- Clinical Analysis of Endogenous Human Biochemicals -- Determination of Tyrosine and Tryptophan Metabolites in Body Ruids Using Electrochemical Detection -- Steroids -- Proteins -- Bilirubin and Its Carbohydrate Conjugates -- Porphyrins -- Organic Acids by Ion Chromatography -- Major and Modified Nucleosides, RNA, and DNA -- Polyamines