Adewale, A., O. D. Temitope, A. Tamilore, O. A. Olusoji, O. L. W. B., and O. S. Olubunmi. “In Vitro and in Vivo Activities of Psidium Guajava and Azadirachta Indica Leaf Extracts and Solvent Fractions Against Salmonella Typhi”. European Journal of Medicinal Plants, Vol. 32, no. 7, Aug. 2021, pp. 56-71, doi:10.9734/ejmp/2021/v32i730405.