[1]
L. de L. . Souza Leite Campinas and V. L. de Barros, “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, vol. 30, no. 3, pp. 471–479, Jul. 2006.