title: 17 Alpha-hydroxyprogesterone caproate for preterm prevention: issues in subgroup analysis.
authors.affiliation: Departments of Pediatrics, Obstetrics and Gynecology and Epidemiology, The Ohio State University Colleges of Medicine and Public Health Center for Perinatal Research, The Research Institute at Nationwide Children's Hospital, Columbus, OH. Electronic address: mark.klebanoff@nationwidechildrens.org.
authors.forename: Mark A
authors.initials: MA
authors.lastname: Klebanoff
mesh_terms: D004965:Estrogen Antagonists / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D006908:Hydroxyprogesterones / Q000627:therapeutic use*; D011247:Pregnancy; D047928:Premature Birth / Q000517:prevention & control*
chemical_list: D004965:Estrogen Antagonists; D006908:Hydroxyprogesterones