VALENÇA, Marcelo Moraes; KOWACS, Fernando. Immortalized by science and friendship. Headache Medicine, [S. l.], v. 3, n. 3, p. 96, 2012. DOI: 10.48208/HeadacheMed.2012.18. Disponível em: https://headachemedicine.com.br/index.php/hm/article/view/328. Acesso em: 4 dec. 2025.