Devliyal, H., & Agarwal, S. (2014). Formulation, Development and Evaluation of Anti-Implantation Activity of Intrauterine System of Centchroman (Saheli) using Wistar Albino Rats. PharmaTutor, 2(5), 128-132. Retrieved from http://www.pharmatutorjournal.com/index.php/pt/article/view/103