Agrawal, Ashish. “Rapid Reverse-Phase High-Performance Liquid Chromatography Estimation of Methotrexate in Bulk, Pharmaceutical Preparation and in Spiked Plasma Samples: Rapid Reverse-Phase High-Performance Liquid Chromatography Estimation of Methotrexate in Bulk, Pharmaceutical Preparation and in Spiked Plasma Samples”. International Journal of Pharmaceutical & Biological Archive 10, no. 03 (August 9, 2019). Accessed April 23, 2024. http://www.ijpba.info/index.php/ijpba/article/view/1811.