Source	Comment	Web site
ACP Physicians’ Information and Education Resource	Subscription-based online textbook from ACP; PDA version available	http://pier.acponline.org
Agency for Healthcare Research and Quality	Includes USPSTF and EPC reports; PDA and smartphone application is available for screening and prevention recommendations	USPSTF: http://www.ahrq.gov/clinic/prevenix.htm EPC: http://www.ahrq.gov/clinic/epcix.htm
Bandolier	British online periodical that reviews evidence for important clinical questions	http://www.medicine.ox.ac.uk/bandolier
Clinical Evidence Handbook	Subscription-based online reference; freely available for physicians who receive the print summary from United Healthcare; PDA and smartphone version available. Excerpted monthly in AFP	http://clinicalevidence.bmj.com
Cochrane Collaboration	Extensive database of systematic reviews and clinical trials. Excerpted monthly in AFP	http://www.cochrane.org
DynaMed	Subscription-based online textbook	http://dynamicmedical.com
Essential Evidence Plus (formerly InfoRetriever)	Subscription-based online reference with extensive calculators, decision support tools, POEMs, and Cochrane systematic reviews; PDA and smartphone version available	http://www.essentialevidenceplus.com
Institute for Clinical Systems Improvement	Nonprofit consortium of physicians and insurance companies that writes and disseminates evidence-based practice guidelines	http://www.icsi.org/guidelines_and_more/
National Guideline Clearinghouse	Includes evidence-based and consensus guidelines; limit to former by using “detailed search” option and limiting results to guidelines that weight evidence according to a rating scheme	http://www.guidelines.gov
Turning Research Into Practice Database	Searches multiple evidence-based Web sites simultaneously	http://www.tripdatabase.com