2018-05-14
2018-05-14 本文已影响0人
Amazing_B18130
Wiley Online Library
Wells GA, Shea B, O’Connell D, Peterson J, Welch V, Losos M, Tugwell P. The Newcastle-Ottawa Scale (NOS) for assessing the quality of nonrandomised studies in meta-analyses. 2014 Available at:http://www.ohri.ca/programs/clinical_epidemiology/oxford.asp. Accessed May 7, 2016.
