Premature labor and meperidine analgesia.
D000773:Anesthesia, Obstetrical; D005260:Female; D005313:Fetal Death / Q000453:epidemiology / Q000209:etiology; D006801:Humans; D007231:Infant, Newborn; D008614:Meperidine; D007752:Obstetric Labor, Premature; D011247:Pregnancy; D012127:Respiratory Distress Syndrome, Newborn / Q000453:epidemiology / Q000401:mortality; D012601:Scopolamine
D008614:Meperidine; D012601:Scopolamine