YENNY, S. W.; SURYANI, Y. E. Polyphenols as Natural Antioxidants in Skin Aging. Sumatera Medical Journal, [S. l.], v. 3, n. 3, 2020. DOI: 10.32734/sumej.v3i3.4047. Disponível em: https://idjpcr.usu.ac.id/smj/article/view/4047. Acesso em: 5 aug. 2025.