Khandelwal, Prakash Narayan, Syed H. Maaz, and Dhammraj M. Borade. “Evaluation of Efficacy and Safety of Doxofylline 800mg Sustained Release Tablet in Treatment of Patients With COPD: An Open Label, Prospective and RCT”. International Journal of Basic & Clinical Pharmacology 7, no. 4 (March 23, 2018): 644–649. Accessed April 16, 2026. https://www.ijbcp.com/index.php/ijbcp/article/view/2340.