title: Analgesia during labor with pentazocine, promazine, promethazine and scopolamine.
mesh_terms: D000367:Age Factors; D000698:Analgesia; D000700:Analgesics / Q000008:administration & dosage* / Q000009:adverse effects; D001835:Body Weight; D004357:Drug Synergism; D005260:Female; D005333:Fetus / Q000187:drug effects; D006801:Humans; D007231:Infant, Newborn; D007275:Injections, Intravenous; D007743:Labor, Obstetric / Q000187:drug effects*; D009119:Muscle Contraction / Q000187:drug effects; D010423:Pentazocine / Q000008:administration & dosage*; D011247:Pregnancy; D011395:Promazine / Q000008:administration & dosage*; D011398:Promethazine / Q000008:administration & dosage*; D012601:Scopolamine / Q000008:administration & dosage* / Q000009:adverse effects; D014599:Uterus / Q000187:drug effects
chemical_list: D000700:Analgesics; D012601:Scopolamine; D011398:Promethazine; D011395:Promazine; D010423:Pentazocine