Uncertainties about the need for ethics approval in Switzerland: a mixed-methods study. Swiss Medical Weekly, [S. l.], v. 150, n. 3334, p. w20318, 2020. DOI: 10.4414/smw.2020.20318. Disponível em: https://smw.ch/index.php/smw/article/view/2852. Acesso em: 13 dec. 2025.