DOI:
10.1055/s-00025476
Endoscopy International Open
LinksClose Window
References
Guyatt GH, Oxman AD, Vist GE. et al.
GRADE: an emerging consensus on rating quality of evidence and strength of recommendations.
BMJ 2008;
336: 924-926
We do not assume any responsibility for the contents of the web pages of other providers.