Mojiminiyi, F., Aliyu, B., Oyeniran, O. and Isu, A. 2021. The hypotensive effect of the aqueous calyx extract of Hibiscus sabdariffa may occur through the attenuation of Autonomic nervous system activity. Nigerian Journal of Physiological Sciences. 36, 2 (Dec. 2021), 203–209. DOI:https://doi.org/10.54548/njps.v36i2.9.