The Aqueous Calyx Extract of Hibiscus sabdariffa Lowers Blood Pressure and Heart Rate via Sympathetic Nervous System Dependent Mechanisms. NJPS [Internet]. 20. svibanj 2021. [citirano 25. travanj 2026.];29(2):131-6. Dostupno na: https://ojshostng.com/index.php/njphysiologicalsciences/article/view/1820