PMC:1186732 / 68578-68660 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/1186732","sourcedb":"PMC","sourceid":"1186732","source_url":"http://www.ncbi.nlm.nih.gov/pmc/1186732","text":"Competing interests. The authors have declared that no competing interests exist.\n","tracks":[]}