1. Assessing the quality of random clinical anesthesiology trials published on the Brazilian Journal of Anesthesiology from 2005 to 2008;Barbosa;Rev. Bras. Anestesiol.,2009
2. Frequency of the adequate use of statistical tests of hypothesis in original articles published in the Revista Brasileira de Anestesiologia between January 2008 and December 2009;Barbosa;Rev. Bras. Anestesiol.,2010
3. A study about the size and power of t-Student and Wilcoxon tests;Barros;Acta Sci. - Technol.,2005
4. Estatística Básica;Bussab,2010
5. Statistical Inference;Casella,2002