Medcarpet article section offers free services from well-regarded sources such as PubMed (PubMed is provided by the United States National Library of Medicine). PubMed is a free database which comprises more than 19 million citations. This search also has access to the MEDLINE database of citations, abstracts and full text articles on biomedical topics, life science journals, and online books. Citations include links to full-text content from well regarded sources.

Some of the advantages of searching this large data base are:

• Most of them are peer reviewed articles.

• Some of the citations contain links to full text articles which are freely available.

• PubMed has approximately 19.5 million citations going back to the year 1865.

• National Institutes of Health (NIH) maintains this free large data base as part of the Entrez information retrieval system.