PubMed contains the MEDLINE database, which covers the fields of medicine, nursing, dentistry, the health care system, the preclinical sciences, veterinary medicine e.g. It also covers aspects of life sciences including aspects of biology, environmental science as well as biophysics and chemistry.
MEDLINE contains bibliographic citations and author abstracts from over 5400 biomedical journals.
PubMed also provides access to new, not yet complete MEDLINE-citations.
Furthermore related and Full Text articles are accessible.