BRFSS- CDC's Behavioral Risk Factor Surveillance System.
BRFSS- CDC's Behavioral Risk Factor Surveillance System [link]Paper  bibtex   
@misc{ _brfss-_????,
  title = {{BRFSS}- {CDC}'s Behavioral Risk Factor Surveillance System},
  url = {http://www.cdc.gov/brfss/},
  urldate = {2013-02-05TZ}
}

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