We suggest using the following core resources:
Scholarly/peer-reviewed articles for biology including biological chemistry, biophysics, botany, cytology and histology, environmental studies, microbiology, microscopy, and zoology. Coverage: 1986 – present.
Scholarly/peer reviewed journal articles in medicine and biology. Coverage: 1997 - present
See Medline (EBSCO) for full-text articles. Scholarly/peer reviewed articles from MEDLINE and the National Library of Medicine. About 8-10% of Pubmed records are not in MEDLINE. Also, about one third of recent PubMed records link to free full text in PubMed Central. Coverage: Varies.