KOWACKS, F.; VALENÇA, M. M. Material for daily practice - and for reflection. Headache Medicine, [S. l.], v. 3, n. 4, p. 149, 2012. DOI: 10.48208/HeadacheMed.2012.24. Disponível em: https://www.headachemedicine.com.br/index.php/hm/article/view/338. Acesso em: 31 aug. 2025.