PERANGIN-ANGIN, E. B.; SEMBIRING , N. B.; KABAN , V. E. Test of Total Flavonoids and Antioxidant Activity of Active Fraction of Robusta Coffee Beans (Coffea canephora L.) for Diabetic Ulcers. Journal of Pharmaceutical and Sciences, [S. l.], v. 9, n. 1, p. 624–634, 2026. DOI: 10.36490/journal-jps.com.v9i1.1342. Disponível em: https://journal-jps.com/new/index.php/jps/article/view/1342. Acesso em: 2 mar. 2026.