

10. Jadad AR, Moore RA, Carroll D, Jenkinson C, Reynolds DJ, Gavaghan DJ, et
al. Assessing the quality of reports of randomized clinical trials: is blinding
necessary? Control Clin Trials 1996; 17:1-12. PMID: 2513979
11.Goldet G, Howick J. Understanding GRADE: an introduction. J Evid Based Med
2013; 6:50-4.
12.Wells G, Shea B, O’Connell D, Robertson J, Peterson J, Welch V, et al. The
Newcastle-Ottawa Scale (NOS) for assessing the quality of nonrandomised
studies in meta-analyses.
13.Levels of Evidence and Grades of Recommendations - Oxford Centre for
Evidence
Based
Medicine.
Disponível
em
URL:
http://cebm.jr2.ox.ac.uk/docs/old_levels.htm.