Indriati I, Jalung F, Pane HW. Determination of Betamethasone Valerate Level in Betametasone 0.1% Cream Preparation by High Performance Liquid Chromatography . JPS [Internet]. 2023 Oct. 30 [cited 2025 Apr. 3];6(4):1635-9. Available from: https://journal-jps.com/new/index.php/jps/article/view/287