Ayson, P. N., Lopez, J. E. G., & Llanes, E. G. D. (2006). Chronic Suppurative Otitis Media: Bacteriology and Drug Sensitivity Patterns at the Quirino Memorial Medical Center (2004-2005): A Preliminary Study. Philippine Journal of Otolaryngology Head and Neck Surgery, 21(1-2), 20–23. https://doi.org/10.32412/pjohns.v21i1-2.823