Cochrane Collection Plus combines the most comprehensive databases from the Cochrane Library, a key resource in evidence-based medicine. This includes the Cochrane Database of Systematic Reviews (CDSR) — the leading source of peer-reviewed systematic reviews in health care, Cochrane Clinical Answers, Cochrane Central Register of Controlled Trials, and Cochrane Methodology Register. This collection is an essential source of high-quality health care data, useful for providers and patients and those responsible for researching, teaching, funding, and administrating at all levels of the medical profession.