http://www.cebm.utoronto.cahttp://www.cebm.nethttp://www.nettingtheevidence.org.ukhttp://www.acestar.uthscsa.eduhttp://www.cche.net http://www.urmc.rochester.edu/son/ebphttp://www.library.tufts.edu/hsl/subjectGuides/ebm.htmlhttp://www.unisa.edu.au/cahe/Resources/CAT/default.asp
http://www.apebm.comhttp://evidence-based.urology.ufl.eduhttp://www.fmhs.auckland.ac.nz/soph/depts/epi/research http://www.guideline.govhttp://www.g-i-n.net