Ganga, V. B., & Ramachandrappa, K. (2021). Patterns of second primary malignancies in carcinoma larynx and hypopharynx following surgical management. International Journal of Otorhinolaryngology and Head and Neck Surgery, 7(9), 1419–1425. https://doi.org/10.18203/issn.2454-5929.ijohns20213231