GANGA, V. B.; RAMACHANDRAPPA, K. Patterns of second primary malignancies in carcinoma larynx and hypopharynx following surgical management. International Journal of Otorhinolaryngology and Head and Neck Surgery, [S. l.], v. 7, n. 9, p. 1419–1425, 2021. DOI: 10.18203/issn.2454-5929.ijohns20213231. Disponível em: https://www.ijorl.com/index.php/ijorl/article/view/3206. Acesso em: 28 mar. 2026.