Bibliographic Databases

CANCERLIT (NCI's cancer.gov)
Comprehensive bibliographic database of more than 1.4 million records of cancer literature published since 1963, including books, government reports, presentations, theses, and scientific journals, usually with abstracts.

MEDLINE (National Library of Medicine)
Description of MEDLINE, comprising over 11 million citations to and abstracts from approximately 4,000 medical journals.
Search MEDLINE: PubMed
Free MEDLINE search page using PubMed.
PubMed Online Training
Web-based tutorial on how to use PubMed.

International Bibliographic Information on Dietary Supplements (IBIDS) Database (NIH/Office of Dietary Supplements)
Searchable database of published, scientific literature on dietary supplements, vitamins, minerals, and botanicals. IBIDS contains over 300,000 citations and abstracts. Developed to assist the public, health care providers, and researchers in locating credible, scientific literature on dietary supplements.