Ralph S. Caraballo, PhD

Center for Disease Control and Prevention
Office on Smoking and Health
4770 Buford Hwy. N.E.
Mailstop K-50
Atlanta, GA
USA 30341
4144.0 Characteristics of recent cigarette use initiation among youth: Findings from a U.S. national survey
5089.0 Cigarette smoking patterns following a cardiac event: Results from a national survey