OTTIGER, Hans-Peter; BRUHN, Silke. [Vaccine testing without animal experiments?] [Article in German]. ALTEX - Alternatives to animal experimentation, [S. l.], v. 21, n. 2, p. 81–82, 2004. Disponível em: https://www.altex.org/index.php/altex/article/view/969. Acesso em: 3 may. 2024.