What is PubMed Central?
PubMed Central (PMC) is the NIH digital repository of full-text, peer-reviewed biomedical, behavioral, and clinical research journals. It is a publicly-accessible, stable, permanent, and searchable electronic archive. PubMed Central was developed and is operated by the National Center for Biotechnology Information, a division of the National Library of Medicine at the U.S. National Institutes of Health. More information can be found here.
PubMed Central is an archive of full-text biomedical journal papers available online without a fee. Papers on PubMed Central contain links to other scientific databases such as GenBank (http://www.ncbi.nlm.nih.gov/Genbank/) and PubChem (http://pubchem.ncbi.nlm.nih.gov/). Papers collected under the Public Access Policy are archived on PubMed Central. More information about PubMed Central is available at http://www.pubmedcentral.nih.gov/about/faq.html.