Souza Leite Campinas L de L, de Barros VL. The Free and Informed Consent Statement and its Different Ways of Expressing the Research Subject’s Authorized Consent: DOI: 10.15343/0104-7809.200630.3.12. Mundo Saude [Internet]. 2006 Jul. 1 [cited 2024 Sep. 22];30(3):471-9. Available from: https://revistamundodasaude.emnuvens.com.br/mundodasaude/article/view/703