Akinjogunla, Olajide Joseph, Nosakhare Odeh Eghafona, and Idahosa Onaiwu Enabulele. 2011. “AETIOLOGIC AGENTS OF ACUTE OTITIS MEDIA (AOM): PREVALENCE, ANTIBIOTIC SUSCEPTIBILITY, β-LACTAMASE (βL) AND EXTENDED SPECTRUM β-LACTAMASE (ESBL) PRODUCTION”. Journal of Microbiology, Biotechnology and Food Sciences 1 (3):333-53. https://office2.jmbfs.org/index.php/JMBFS/article/view/4456.