title: Reply to article by King et al.
authors.forename: Ronald F
authors.initials: RF
authors.lastname: Lamont
mesh_terms: D002121:Calcium Channel Blockers / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D009543:Nifedipine / Q000627:therapeutic use*; D007752:Obstetric Labor, Premature / Q000517:prevention & control*; D011247:Pregnancy; D011256:Pregnancy Outcome
chemical_list: D002121:Calcium Channel Blockers; D009543:Nifedipine