OvidA database of full-text articles from 430+ medical and scientific journals, plus access to MEDLINE citations and EBM reviews. EBM reviews include Cochrane Central Register of Controlled Trials, Cochrane Methodology Register, Database of Abstracts of Reviews of Effects, Health Technology Assessment, NHS Economic Evaluation Database, Cochrane DSR, ACP Journal Club, DARE, CCTR, CMR, HTA, and NHSEED.