Preanesthetic Medication with Intramuscular Administration of Hydroxyzine Hydrochloride: Parallel Double-Blind Study of Hydroxyzine Hydrochloride, Meperidine Hydrochloride, Hydroxyzine Hydrochloride and Meperidine Hydrochloride Secobarbital Sodium, and a Placebo
期刊名称JAMA: The Journal of the American Medical Association