title: Controlled release morphine sulphate tablets--a study in normal volunteers.
mesh_terms: D000284:Administration, Oral; D000328:Adult; D002986:Clinical Trials as Topic; D003692:Delayed-Action Preparations; D004305:Dose-Response Relationship, Drug; D006801:Humans; D008297:Male; D009020:Morphine / Q000008:administration & dosage* / Q000097:blood / Q000627:therapeutic use; D010146:Pain / Q000188:drug therapy
chemical_list: D003692:Delayed-Action Preparations; D009020:Morphine