Estimation of success in treatment of premature labor: Applicability of prolongation index in a double-blind, controlled, randomized trial.
D004311:Double-Blind Method; D005260:Female; D006801:Humans; D007752:Obstetric Labor, Premature / Q000517:prevention & control*; D011247:Pregnancy; D011897:Random Allocation; D013726:Terbutaline / Q000627:therapeutic use
D013726:Terbutaline