Liburd Leandris C, Sniezek Joe E
Division of Adult and Community Health, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, 4770 Buford Hwy, NE, Mailstop K-30, Atlanta, GA 30341, USA.
Prev Chronic Dis. 2007 Jul;4(3):A73. Epub 2007 Jun 15.