U. Madubogwu, N. et al. 2021. Evaluation of the Immunomodulatory Activity of Gnetum africanum (Gnatacae) Leaf Extracts: doi.org/10.26538/tjnpr/v5i11.25. Tropical Journal of Natural Product Research (TJNPR). 5, 11 (Nov. 2021), 2043–2050.