Difficulty in diagnosis of nasopharyngeal carcinoma. Mymensingh Medical Journal, [S. l.], v. 21, n. 1, p. 158–161, 2012. DOI: 10.3329/mmj.v21i1.12531. Disponível em: https://banglajol.info/index.php/MMJ/article/view/12531. Acesso em: 25 jun. 2026.