«Anti-ulcerogenic Activity of Methanol Fraction of Hibiscus asper Leaves in Albino Rats» (2020) African Journal of Biomedical Research, 23(2), pp. 267–272. Disponible en: https://www.ojshostng.com/index.php/ajbr/article/view/60 (Accedido: 21 mayo 2026).