Bhukya Nagaraju, B Ramu, SV Saibaba, and B Rajkamal. “Formulation and Evaluation of Floating Bioadhesive Doxofylline Tablets”. International Journal of Drug Delivery, vol. 8, no. 4, Dec. 2016, pp. 134-41, https://ijdd.arjournals.org/index.php/ijdd/article/view/301.