Beig, S., Khalid, S. and Sharma, S.C. 2020. Radiographic imaging of mastoid in chronic otitis media: need or tradition?. International Journal of Otorhinolaryngology and Head and Neck Surgery. 6, 9 (Aug. 2020), 1592–1596. DOI:https://doi.org/10.18203/issn.2454-5929.ijohns20203491.