The Effect of Acute Administration of the Aqueous Calyx Extract of Hibiscus sabdariffa on Blood pressure, Heart rate and Double Product of Apparently Healthy Human Subjects during Different Postures. NJPS [Internett]. 30. juni 2022 [sitert 8. juli 2026];37(1):147-52. Tilgjengelig på: https://www.ojshostng.com/index.php/njphysiologicalsciences/article/view/2371