Srivastava, A, RK Singh, S Varshney, P Gupta, SS Bist, S Bhagat, and N Gupta. 2011. “Microbiological Evaluation of an Active Tubotympanic Type of Chronic Suppurative Otitis Media”. Nepalese Journal of ENT Head and Neck Surgery 1 (2):14-16. https://doi.org/10.3126/njenthns.v1i2.4758.