SPRENT, P. Statistics in medical research. Swiss Medical Weekly, [S. l.], v. 133, n. 3940, p. 522–529, 2003. DOI: 10.4414/smw.2003.10470. Disponível em: https://smw.ch/index.php/smw/article/view/310. Acesso em: 19 apr. 2024.