Limits to clinical trials in surgical areas . Clinics, [S. l.], v. 66, n. 1, p. 159–161, 2011. DOI: 10.1590/S1807-59322011000100027. Disponível em: https://www.revistas.usp.br/clinics/article/view/19469.. Acesso em: 5 may. 2024.