S., A., P. Chinnam, G. S. Rao, S. P. K. G., and M. Mohsin. “Experimental Evaluation of Anticonvulsant Effect of Human Placental Extract in Pentylenetetrazole Induced Convulsions in Mice”. International Journal of Basic & Clinical Pharmacology, vol. 2, no. 5, Feb. 2017, pp. 571-6, https://www.ijbcp.com/index.php/ijbcp/article/view/1322.