Epidural opiates.
D000772:Anesthesia, Local; D000773:Anesthesia, Obstetrical; D004824:Epidural Space; D005260:Female; D006801:Humans; D008297:Male; D009294:Narcotics / Q000008:administration & dosage* / Q000009:adverse effects; D011247:Pregnancy; D012119:Respiration / Q000187:drug effects
D009294:Narcotics