«The Aqueous Calyx Extract of Hibiscus sabdariffa Lowers Blood Pressure and Heart Rate via Sympathetic Nervous System Dependent Mechanisms», NJPS, vol. 29, fasc. 2, pp. 131–136, mag. 2021, Consultato: 6 aprile 2026. [Online]. Disponibile su: https://www.ojshostng.com/index.php/njphysiologicalsciences/article/view/1820