Formulation and In vitro Evaluation of Unfolding Type Expandable Gastroretentive Film of Enalapril Maleate. Bangla Pharma J [Internet]. 2018 Aug. 14 [cited 2026 Jul. 8];20(2):148-56. Available from: https://www.banglajol.info/index.php/BPJ/article/view/37868