Hifni, Ahmad, et al. “Comparison of Germ Patterns and Antimicrobial Susceptibility in Chronic Suppurative Otitis Media With Cholesteatoma and Without Cholesteatoma in Dr. Mohammad Hoesin Hospital”. Bioscientia Medicina : Journal of Biomedicine and Translational Research, vol. 5, no. 7, Apr. 2021, pp. 647-56, https://doi.org/10.32539/bsm.v5i7.332.