Ekong, U.S. and Obi, S.K.C. 2020. Antibacterial Activity and in-vivo Protection Potentials of Aspergillus Species SK2 Antibiotic Substance against the Establishment of Infections By ?- Lactamase Producing Clinical Bacteria. Nigerian Journal of Pharmaceutical and Applied Science Research. 8, 2 (Aug. 2020), 1–9.