NANDHINI PRIYA.M, and PURUSHOTHAMAN.S. “Efficacy, Safety and Cost Effectiveness of Oral Doxofylline and Theophylline for Mild to Moderate Persistent Bronchial Asthma: A Randomized Prospective Open Labeled Comparative Study”. International Journal of Pharma and Bio Sciences 9, no. 2 (June 30, 2018): 51–56. Accessed July 23, 2026. https://ijpbs.net/index.php/journal/article/view/6389.