«The Aqueous Calyx Extract of Hibiscus sabdariffa Lowers Blood Pressure and Heart Rate via Sympathetic Nervous System Dependent Mechanisms», NJPS, vol. 29, n.º 2, pp. 131–136, may 2021, Accedido: 21 de mayo de 2026. [En línea]. Disponible en: https://www.ojshostng.com/index.php/njphysiologicalsciences/article/view/1820