Scopus indexes content from 24,600 active titles and 5,000 publishers which is rigorously vetted and selected by an independent review board, and uses a rich underlying metadata architecture to connect people, published ideas and institutions.
Covers the international literature on the biomedical sciences, including the the biological and physical sciences, humanities, and information science as they relate to medicine. Can be searched interactively with other NCBI databases, including PubMedCentral and PubBooks.
Review publications contain articles that review the research already done in a given area. A review article can give you a synthesis of a particular topic and provide you with an extensive bibliography.