“Anti-Hypertensive Effects of Anthocyanins from Hibiscus Sabdarifa Calyx on the Renin-Angiotensin-Aldoslestrone System in Wistar Rats”. Nigerian Journal of Physiological Sciences, vol. 37, no. 1, Juni 2022, hlm. 113-7, https://doi.org/10.54548/njps.v37i1.14.