Effect of Hydroxypropyl Methylcellulose Concentration Variations as a Gelling Agent on the Physical Quality of Hydrogel Formulations Containing Ethanol Extract of Impatiens balsamina L. Herb. INDONES J MED [Internet]. 2025 Oct. 10 [cited 2026 Oct. 27];10(4):267-7. Available from: https://www.theijmed.com/index.php/theijmed/article/view/872