Great Websites for doctors all over the world

http://www.openclinical.org/guidelines.html

http://pathways.nice.org.uk/

http://www.openclinical.org/clinicalpathways.html

http://nutritionfacts.org/

https://www.ncbi.nlm.nih.gov/

https://www.guideline.gov/

AHRQ's National Guideline Clearinghouse is a public resource for summaries of evidence-based clinical practice guidelines.