title: Studies of drugs given before anaesthesia. XXII. Phenoperidine and fentanyl, alone and in combination with droperidol.
mesh_terms: D000700:Analgesics; D001007:Anxiety / Q000517:prevention & control; D001544:Benperidol; D004357:Drug Synergism; D005260:Female; D005283:Fentanyl; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D007540:Isonipecotic Acids; D008723:Methohexital; D010638:Phenoperidine; D011229:Preanesthetic Medication; D012119:Respiration / Q000187:drug effects; D013268:Stimulation, Chemical
chemical_list: D000700:Analgesics; D007540:Isonipecotic Acids; D001544:Benperidol; D008723:Methohexital; D010638:Phenoperidine; D005283:Fentanyl