[Complications of prolonged epidural analgesia with opiates].
D000767:Anesthesia, Epidural / Q000009:adverse effects*; D005260:Female; D006801:Humans; D009020:Morphine / Q000009:adverse effects*; D011247:Pregnancy
D009020:Morphine
Oslozhneniia dlitel'noĭ épidural'noĭ analgezii opiatami.