• BioMed Central:

• www.biomedcentral.com/browse/journals/

• Public Library of Science (PLoS):

• www.plos.org/journals/

• PubMed Central (PMC):

•  www.pubmedcentral.nih.gov/

Web sites listing journals offering free full-text access include:

• Free Medical Journals:

•  freemedicaljournals.com/

• HighWire Press:

•  highwire.stanford.edu/lists/freeart.dtl