Formulation Development and Characterization of Levosalbutamol Sulphate Oral Thin Film using Propylene glycol as a Plasticizer. Bangla Pharma J [Internet]. 2017 Apr. 5 [cited 2026 Jun. 29];20(1):64-70. Available from: https://banglajol.info/index.php/BPJ/article/view/32095