Aslam, Muhammad Shahzad, et al. “A REVIEW ON PHYTOCHEMICAL CONSTITUENTS AND PHARMACOLOGICAL ACTIVITIES OF CLINACANTHUS NUTANS”. International Journal of Pharmacy and Pharmaceutical Sciences, vol. 7, no. 2, Feb. 2015, pp. 30-33, https://www.journals.innovareacademics.in/index.php/ijpps/article/view/2622.