The obstetric use and effect of fetal respiration of nisentil.
D000522:Alphaprodine; D005260:Female; D005333:Fetus; D006801:Humans; D007743:Labor, Obstetric; D004364:Pharmaceutical Preparations; D011247:Pregnancy; D014937:Work
D004364:Pharmaceutical Preparations; D000522:Alphaprodine
LABOR/drugs in; NISENTIL