TI - SUbpopulation estimates from the hiv incidence surveillance system—united states, 2006 PT - JOUR DP - 2009 TA - JAMA pages = {155-156}, VI - 301 IP - 2 AID - 10.1001/jama.301.2.155 [doi] 4100 - http://dx.doi.org/10.1001/jama.301.2.155 SO - JAMA January 14, 2009 301(2):155