[Pre-par].
D005260:Female; D006801:Humans; D007752:Obstetric Labor, Premature / Q000517:prevention & control*; D011247:Pregnancy; D011412:Propanolamines / Q000627:therapeutic use*; D012312:Ritodrine / Q000627:therapeutic use*; D014590:Uterine Contraction / Q000187:drug effects
D011412:Propanolamines; D012312:Ritodrine
Pré-par.