PMC:1892049 / 32538-32620
Annnotations
{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/1892049","sourcedb":"PMC","sourceid":"1892049","source_url":"http://www.ncbi.nlm.nih.gov/pmc/1892049","text":"Competing interests. The authors have declared that no competing interests exist.\n","tracks":[]}