Nwankwo, D.O.L., Onyegbule, F. , Nwankwo, E.O. and Okoye, F.B.C. 2021. Isolation, Antimicrobial properties and characterization of endophytic secondary metabolites obtained from Azadirachta indica. Journal of Current Biomedical Research. 1, 3 (Dec. 2021), 39–56.