Pithadia, A. B., D. M. Prajapati, L. L. Jha, F. Tandel, and N. Patel. “BIOANALYTICAL METHOD DEVELOPMENT AND VALIDATION OF HCG (HUMAN CHORIONIC GONADOTROPIN)”. International Journal of Pharmacy and Pharmaceutical Sciences, vol. 7, no. 7, July 2015, pp. 390-6, https://www.innovareacademics.in/journals/index.php/ijpps/article/view/6458.