Cochrane Library This link opens in a new windowThe Cochrane Library is a unique source of reliable and up-to-date information on the effects of interventions in health care. Published on a quarterly basis, The Cochrane Library is designed to provide information and evidence to inform healthcare decision-making and to inform those receiving care. The library consists of a collection of evidence-based medicine databases that include The Cochrane Database of Systematic Reviews (CDSR), Cochrane Central Register of Controlled Trials (CENTRAL), Cochrane Methodology Register (CMR) , Database of Abstracts of Reviews of Effects (DARE) , Health Technology Assessment Database (HTA) , and NHS Economic Evaluation Database (EED).