title: Preoperative cervical dilatation with 15 (S) 15 methyl prostaglandin E2 methyl ester in first trimester nulliparae. A double blind study.
mesh_terms: D000028:Abortion, Induced; D000293:Adolescent; D000328:Adult; D002584:Cervix Uteri / Q000187:drug effects*; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011458:Prostaglandins E / Q000494:pharmacology / Q000627:therapeutic use*; D014619:Vacuum Curettage
chemical_list: D011458:Prostaglandins E