DOI:
10.1055/s-00025476
Endoscopy International Open
LinksClose Window
References
Wells GA, Shea B, OʼConnel D. et al.
The Newcastle-Ottawa Scale (NOS) for assessing the quality of nonrandomized studies in meta-analyses.
Available at:
http://www.ohri.ca/programs/clinical_epidemiology/oxford.asp
Search in:
We do not assume any responsibility for the contents of the web pages of other providers.