Shidhaye, Supriya, Sheetal Malke, and Vilasrao Kadam. “Validated Stability Indicating HPLC Method for Estimation of Theophylline from a Novel Microsphere Formulation”. Asian Journal of Pharmaceutics (AJP) 3, no. 1 (August 25, 2014). Accessed October 6, 2024. http://asiapharmaceutics.info/index.php/ajp/article/view/235.