Vidyadhara S, Sasidhar RLC, Rao VUM, Babu CHS, Harika DL. Formulation and evaluation of verapamil hydrochloride osmotic controlled release matrix tablets. AJP [Internet]. 2014 Oct. 2 [cited 2024 Nov. 22];8(2). Available from: http://asiapharmaceutics.info/index.php/ajp/article/view/346