Rajendra Gyawali, Dr. “Analgesic and Anti Inflammatory Properties of Salix Alba Linn and Calotropis Procera Aiton Dryand”. International Journal of Pharmaceutical & Biological Archive 4, no. 5 (February 14, 2014). Accessed December 8, 2024. http://www.ijpba.info/index.php/ijpba/article/view/1129.