Iyare, E.E., and O.A. Adegoke. “Gestational Outcome in Rats That Consumed Aqueous Extract of Hibiscus Sabdariffa During Pregnancy”. Pakistan Journal of Nutrition, vol. 10, no. 4, Mar. 2011, pp. 350–354, https://doi.org/10.3923/pjn.2011.350.354.