Provides reviews of research on the effects of health care interventions. Its primary section, the Cochrane Database of Systematic Reviews, contains full-text reviews mainly of randomized controlled trials.
Produced by the National Library of Medicine (NLM), this website provides information about diseases, conditions, and wellness issues in everyday language.
Contains citations and abstracts from scientific and technical journals related to aquatic science, biology, biotechnology, environmental science and medicine.
Includes ProQuest's Biological and Environmental Sciences and Environmental Impact Statements databases.
Access to over 2,400 full-text journal titles in the health and life sciences published by Elsevier since 1995, plus indexing for thousands of other Elsevier titles.