Triples with object route of administration: oral study duration: single 25mg dose of thioridazine population: 19 healthy male subjects: 6 slow and 13 rapid hydroxylators of debrisoquin ages: 19 - 41 HPLC detected mesoridazine, thioridazine-5-sulfoxide (called thioridazine ring-sulphoxide in the study) and other metabolites