Kumaravelrajan R. Development of Nifedipine Timed-release Spansule Dosage form by Extrusion-Spheronization Technology. AJP [Internet]. 2017 Sep. 9 [cited 2025 Apr. 23];11(03). Available from: https://www.asiapharmaceutics.info/index.php/ajp/article/view/1403