title: The use of a calcium antagonist (nifedipine) to suppress preterm labour.
abstract: The efficacy of an orally administered calcium antagonist, nifedipine, in suppressing premature uterine activity, was compared with intravenous ritodrine and no treatment. Nifedipine was found to be significantly more effective than ritodrine or withholding therapy, and was almost devoid of side-effects.
mesh_terms: D000284:Administration, Oral; D000328:Adult; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D009543:Nifedipine / Q000008:administration & dosage / Q000627:therapeutic use*; D007752:Obstetric Labor, Premature / Q000517:prevention & control*; D011247:Pregnancy; D012312:Ritodrine / Q000627:therapeutic use; D013997:Time Factors
chemical_list: D012312:Ritodrine; D009543:Nifedipine