1.
Fortes YML, Erudilho E, Silva TS da, Souza WP de O, Silva-Neto R. Secondary hypnic headache: A literature review in the last 34 years. Headache Med [Internet]. 2022 Oct. 1 [cited 2024 May 12];13(3):163-6. Available from: https://headachemedicine.com.br/index.php/hm/article/view/648