title: Letter: Induction of abortion in early second-trimester pregnancy.
mesh_terms: D000028:Abortion, Induced; D005260:Female; D006801:Humans; D007263:Infusions, Parenteral; D008722:Methods; D010920:Placenta / Q000187:drug effects; D011247:Pregnancy; D011453:Prostaglandins / Q000008:administration & dosage* / Q000494:pharmacology; D014599:Uterus / Q000187:drug effects
chemical_list: D011453:Prostaglandins