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2018-05-14

2018-05-14

作者: Amazing_B18130 | 来源:发表于2018-05-14 23:28 被阅读0次

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.

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