Jain, et al.. A Prospective Randomized, Double-blinded, Placebo-controlled Trial Comparing Mifepristone and Vaginal Misoprostol to Vaginal Misoprostol Alone for Elective Termination of Early Pregnancy. Ovid Technologies (Wolters Kluwer Health), 2003, doi:10.1097/00006254-200301000-00021.