title: 17α-hydroxyprogesterone caproate for the prevention of adverse neonatal outcome in multiple pregnancies:  a randomized controlled trial.
authors.forename: John M
authors.initials: JM
authors.lastname: O'Brien
mesh_terms: D005260:Female; D006801:Humans; D006908:Hydroxyprogesterones / Q000627:therapeutic use*; D011247:Pregnancy; D047928:Premature Birth / Q000517:prevention & control*; D045167:Progesterone Congeners / Q000627:therapeutic use*
chemical_list: D006908:Hydroxyprogesterones; D045167:Progesterone Congeners