«The Aqueous Calyx Extract of Hibiscus Sabdariffa Lowers Blood Pressure and Heart Rate via Sympathetic Nervous System Dependent Mechanisms». Nigerian Journal of Physiological Sciences 29, no. 2 (maggio 20, 2021): 131–136. Consultato aprile 5, 2026. https://www.ojshostng.com/index.php/njphysiologicalsciences/article/view/1820.