1. Cigarette use among high school students—U.S., 1991–2005;MMWR Morb Mortal Wkly Rep,2006
2. Surveillance of certain health behaviors and conditions among states and selected local areas—Behavioral Risk Factor Surveillance System (BRFSS), U.S., 2006;Kilmer;MMWR Surveill Summ,2008
3. Cigarette sales in U.S. reach historic 55-year low,2006
4. Prevalence of and associations with waterpipe smoking among U.S. university students;Primack;Ann Behav Med,2008
5. Harm perception of nicotine products in college freshmen;Smith;Nicotine Tob Res,2007