title: Sedative effects of morphine and clonidine.
authors.forename: M L
authors.initials: ML
authors.lastname: Wattie
authors.forename: S I
authors.initials: SI
authors.lastname: Jaggar
mesh_terms: D016058:Analgesia, Patient-Controlled; D000700:Analgesics / Q000494:pharmacology*; D003000:Clonidine / Q000494:pharmacology*; D003243:Consciousness / Q000187:drug effects*; D006801:Humans; D009020:Morphine / Q000008:administration & dosage*; D010149:Postoperative Pain / Q000517:prevention & control*; D012107:Research Design
chemical_list: D000700:Analgesics; D009020:Morphine; D003000:Clonidine