Should be as common as a cholesterol test, says the Center for Disease Control.
Would you do it?
http://sfgate.com/cgi-bin/article.cgi?f=/n/a/2006/09/21/national/a090134D34.DTL
Would you do it?
http://sfgate.com/cgi-bin/article.cgi?f=/n/a/2006/09/21/national/a090134D34.DTL