Clinical trials in anaesthesia.
D000284:Administration, Oral; D000776:Anesthesiology; D002986:Clinical Trials as Topic; D004341:Drug Evaluation / Q000592:standards; D006801:Humans; D007273:Injections, Intramuscular; D004364:Pharmaceutical Preparations / Q000008:administration & dosage; D010919:Placebos; D012107:Research Design
D004364:Pharmaceutical Preparations; D010919:Placebos