title: Classification of subjects as slow or rapid inactivators of isoniazid oral administration of a slow-release preparation of isoniazid and determination of the ratio of acetylisoniazid to isoniazid in urine.
mesh_terms: D000284:Administration, Oral; D000328:Adult; D003692:Delayed-Action Preparations; D006801:Humans; D007538:Isoniazid / Q000008:administration & dosage / Q000031:analogs & derivatives* / Q000652:urine*
chemical_list: D003692:Delayed-Action Preparations; D007538:Isoniazid