HARRIS, I. When the placebo effect is not an effect. Acta Orthopaedica, [S. l.], v. 92, n. 5, p. 501–502, 2021. DOI: 10.1080/17453674.2021.1969155. Disponível em: https://www.scandjms.sfulib10.publicknowledgeproject.org/index.php/actao/article/view/934. Acesso em: 28 aug. 2026.