Effect of Combination of Dark Chocolate and Herbal Ingredients for Dysmenorrhea in Late Adolescents. J. Trop. Pharm. Chem [Internet]. 2025 Feb. 1 [cited 2025 Apr. 19];7(1):1-9. Available from: https://jtpc.ff.unmul.ac.id/index.php/jtpc/article/view/138