PMC:1255741 / 69501-69583
Annnotations
{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/1255741","sourcedb":"PMC","sourceid":"1255741","source_url":"http://www.ncbi.nlm.nih.gov/pmc/1255741","text":"Competing interests. The authors have declared that no competing interests exist. ","tracks":[]}