The Aqueous Calyx Extract of Hibiscus sabdariffa Lowers Blood Pressure and Heart Rate via Sympathetic Nervous System Dependent Mechanisms. NJPS [Internet]. 20. maj 2021 [citirano 16. maj 2026];29(2):131-6. Dostopno na: https://ojshostng.com/index.php/njphysiologicalsciences/article/view/1820