@techreport{circref1724, title = {Sexually transmitted disease surveillance 2007}, booktitle = {STD Surveillance 2007}, author = {Centers for Disease Control and Prevention}, institution = {U.S. Department of Health and Human Services}, year = {2008}, address = {Atlanta, Georgia}, url = {http://www.cdc.gov/std/pubs/}, keywords = {Statistics, STD} }