How do you know if one health care treatment or intervention is any better than another, or if it will do more good than harm? Information about health is everywhere, but how can health professionals and consumers make sense of all the research going on around the world? These are just some of the questions that the Cochrane Library attempts to answer. The Cochrane Library brings together in one place research which looks at the effectiveness of different health care treatments and interventions. It is recognised as the best single source of information on the effects of health care. Please note that this guide has been fully revised and updated to reflect changes that have been made to the Cochrane Library following the switch to a new publisher, John Wiley & Sons, in 2004.		We recommend viewing this User Guide and the Cochrane Library simultaneously. This log on link will take you direct to the Cochrane Library on Wiley InterScience.

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