Negative results in bio-medicine are urgently needed. Stem Cell Studies, [S. l.], v. 1, n. 1, p. e13, 2011. DOI: 10.4081/scs.2011.e13. Disponível em: https://journals.pagepress.org/scs/article/view/scs.2011.e13. Acesso em: 17 jul. 2025.