The use of muscle-relaxing drugs in complicated deliveries.
D008725:Bis-Trimethylammonium Compounds; D004420:Dystocia; D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D009126:Muscle Relaxation; D011247:Pregnancy; D014403:Tubocurarine; D014937:Work
D008725:Bis-Trimethylammonium Compounds; D014403:Tubocurarine
LABOR; METHONIUM COMPOUNDS; TUBOCURARINE