Patil NG, Gupta P, Hittinhalli MD, Mudanur SR, Tehalia MKJ, Nemagouda AS, Kori SS. A randomised controlled trial to compare the efficacy of preinduction with mifepristone 12 hours versus 24 hours prior for second trimister pregnancy termination. Int J Reprod Contracept Obstet Gynecol [Internet]. 2017 Jul. 26 [cited 2025 Dec. 29];6(8):3628-32. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/3186