Simelane, M. B. C., O. A. Lawal, T. G. Djarova, C. T. Musabayane, M. Singh, and A. R. Opoku. “LACTOGENIC ACTIVITY OF RATS STIMULATED BY GUNNERA PERPENSA L. (GUNNERACEAE) FROM SOUTH AFRICA”. African Journal of Traditional, Complementary and Alternative Medicines, vol. 9, no. 4, May 2012, pp. 561-73, https://journals.athmsi.org/index.php/ajtcam/article/view/1555.