《The Aqueous Calyx Extract of Hibiscus Sabdariffa Lowers Blood Pressure and Heart Rate via Sympathetic Nervous System Dependent Mechanisms》. Nigerian Journal of Physiological Sciences, 卷 29, 期 2, 2021年5月, 页 131-6, https://ojshostng.com/index.php/njphysiologicalsciences/article/view/1820.