Kuruvilla, A. V., & Vazhappilly, S. P. (2022). A study of the hearing status in the contralateral healthy ear of patients with chronic otitis media following mastoidectomy surgery in a tertiary care hospital, Kerala, India. International Journal of Otorhinolaryngology and Head and Neck Surgery, 8(3), 174–179. https://doi.org/10.18203/issn.2454-5929.ijohns20220464