Sultana S, Talegaonkar S, Bhatnagar A, Ahmad FJ, Mittal G. Optimization of nifedipine loaded gastroretentive microcapsules for biliary colic. AJP [Internet]. 2014 Aug. 23 [cited 2024 Nov. 23];6(4). Available from: http://asiapharmaceutics.info/index.php/ajp/article/view/218