[Ear down as a sleeping aid for the surgical patient].
D002986:Clinical Trials as Topic; D004430:Ear Protective Devices; D005069:Evaluation Studies as Topic; D006801:Humans; D009567:Nitrazepam / Q000627:therapeutic use; D010919:Placebos; D011482:Protective Devices; D012890:Sleep; D013514:Surgical Procedures, Operative
D010919:Placebos; D009567:Nitrazepam
Hörseldun som hjälp till sömn för kirurgpatienter.