Virtual Guiding Lights Review of the Websites of the National Guideline Clearinghouse (Http://www.guideline.gov); Health Services/Technology Assessment Text (Http://text.nlm.nih.gov/ftrs/gateway/); Ottawa Hospital General Campus Library Evidence-Based Medicine and Practice Resources (Http://www.ogh.on.ca/library/evidence.htm); How to Use a Clinical Practice Guideline (http://hiru.mcmaster.ca/ebm/userguid/8_cpg.htm)