Effect of a new antispasmodic drug on the first stage of labor.
D002317:Cardiovascular Agents; D005260:Female; D006801:Humans; D007743:Labor, Obstetric / Q000502:physiology*; D009125:Muscle Relaxants, Central / Q000494:pharmacology*; D010276:Parasympatholytics; D011247:Pregnancy; D014937:Work
D002317:Cardiovascular Agents; D009125:Muscle Relaxants, Central; D010276:Parasympatholytics
LABOR/physiology; MUSCLE RELAXANTS/pharmacology