HURTADO DOMINGUEZ, J. Secondary headache as a presenting symptom of sinonasal undifferentiated carcinoma mimicking paranasal mucocele: case report and diagnostic implications. Headache Medicine, [S. l.], 2025. Disponível em: https://www.headachemedicine.com.br/index.php/hm/article/view/1329. Acesso em: 24 may. 2025.