Chowdhury, B. “Efficacy of Fine Needle Aspiration Cytology in the Early Diagnosis of Different Head and Neck Malignancies: A Hospital Based Prospective Study”. International Journal of Otorhinolaryngology and Head and Neck Surgery, vol. 6, no. 3, Feb. 2020, pp. 510-4, doi:10.18203/issn.2454-5929.ijohns20200626.