Patil, N. G.; Gupta, P.; Hittinhalli, M. D.; Mudanur, S. R.; Tehalia, M. K. J.; Nemagouda, A. S.; Kori, S. S. 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 2017, 6, 3628-3632.