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 [Internet]. 30. kesäkuuta 2022 [viitattu 25. huhtikuuta 2026];37(1):147-52. Saatavissa: https://ojshostng.com/index.php/njphysiologicalsciences/article/view/2371