SWERTS, D. .; PERES, M. Placebo effect in chronic migraine prevention. A systematic review. Headache Medicine, [S. l.], v. 11, n. Supplement, p. 42, 2020. DOI: 10.48208/HeadacheMed.2020.Supplement.42. Disponível em: https://headachemedicine.com.br/index.php/hm/article/view/128. Acesso em: 27 apr. 2024.