April 3, 2013 The Journal of Biomedical Research is officially indexed for PubMed (http://www.pubmed.gov), a free resource developed and maintained by the National Center for Biotechnology Information (NCBI) at the U.S. National Library of Medicine (NLM) at the National Institutes of Health (NIH). PubMed comprises more than 22 million citations for biomedical literature from MEDLINE, life science journals, and online books. In addition, our entire journal content is freely available as open access articles at PubMed Central (www.ncbi.nlm.nih.gov/pmc/journals/1958/) a free full-text archive of biomedical and life sciences journal literature at the U.S. NIH/NLM. The Journal of Biomedical Research is a comprehensive biomedical journal and welcomes contributions from biomedical researchers and clinicians around the world (homepage: http://www.jbr-pub.org.cn).