1. Youth risk behavior surveillance-United States, 2015;Kann;MMWR Surveil Summ,2016
2. High school students who tried to quit smoking cigarettes-United States;Malarcher;MMWR Morb Mortal Wkly Rep,2007
3. Smoking and health in substance abusing adolescents: a 2 year follow-up;Myers;Pediatrics,1994