Study of dose-related efficacy of lorazepam as preanesthetic medication.
D000293:Adolescent; D000328:Adult; D000768:Anesthesia, General; D014151:Anti-Anxiety Agents / Q000008:administration & dosage*; D002986:Clinical Trials as Topic; D004305:Dose-Response Relationship, Drug; D004341:Drug Evaluation; D005260:Female; D006801:Humans; D007273:Injections, Intramuscular; D008140:Lorazepam / Q000008:administration & dosage*; D008297:Male; D008875:Middle Aged; D010919:Placebos; D011229:Preanesthetic Medication
D014151:Anti-Anxiety Agents; D010919:Placebos; D008140:Lorazepam