„The Hypotensive Effect of the Aqueous Calyx Extract of Hibiscus Sabdariffa May Occur through the Attenuation of Autonomic Nervous System Activity". Nigerian Journal of Physiological Sciences 36, no. 2 (prosinec 31, 2021): 203–209. Viděno duben 5, 2026. https://ojshostng.com/index.php/njphysiologicalsciences/article/view/2363.