Saroj, S.K., Kumar, R., Aggarwal, S.K., Banerjee, T., Chaudhary, A.K., Sharma, S., Gupta, D.K. and Das, S. 2021. Comparative study of biofilm formation in tubotympanic and atticoantral ear disease. International Journal of Otorhinolaryngology and Head and Neck Surgery. 7, 8 (Jul. 2021), 1263–1267. DOI:https://doi.org/10.18203/issn.2454-5929.ijohns20212823.