The Cochrane Library
Database of systematic reviews.
http://www.cochrane.org
Access to The Cochrane Library is free to all in England, Wales, Ireland, Australia, Norway, Sweden, Finland and South Africa. Details of how to gain access can be found on the following web site:
http://www3.interscience.wiley.com/cgibin/mrwhome/106568753/DoYouAlreadyHaveAccess.html.
The publishers of the The Cochrane Library are piloting a scheme whereby editors of selected publications, including ISDB member bulletins, can receive complementary access to The Cochrane Library. Contact Alexa Dugan at adugan@wiley.co.uk giving your name, publication details, e-mail address and full postal address.
Clinical Evidence
Describes the best available evidence from systematic reviews, randomised controlled trials and observational studies where appropriate, and if there is no good evidence it says so.
http://www.clinicalevidence.com/ceweb/conditions/index.jsp