«The Aqueous Calyx Extract of Hibiscus sabdariffa Lowers Blood Pressure and Heart Rate via Sympathetic Nervous System Dependent Mechanisms», NJPS, libk. 29, zenb. 2, or. 131–136, mai. 2021, Eskuratua: 2026(e)ko maiatzaren 16(e)an. [Sarean]. Available at: https://ojshostng.com/index.php/njphysiologicalsciences/article/view/1820