[Experience in the use of pipolphen and promedol for painless childbirth].
D000700:Analgesics / Q000494:pharmacology*; D000773:Anesthesia, Obstetrical; D005260:Female; D006801:Humans; D009119:Muscle Contraction; D010880:Piperidines / Q000494:pharmacology*; D011247:Pregnancy; D011398:Promethazine / Q000494:pharmacology*
D000700:Analgesics; D010880:Piperidines; D011398:Promethazine
Opyt primeneniia pipol'fena i promedola dlia obezbolivaniia rodov.