DUBOULE, D. Ernst Hafen: a sized controlled career. Swiss Medical Weekly, [S. l.], v. 134, n. 4950, p. 709–709, 2004. DOI: 10.4414/smw.2004.10954. Disponível em: https://smw.ch/index.php/smw/article/view/443. Acesso em: 22 nov. 2024.