title: Temporal trends in smokeless tobacco use among US middle and high school students, 2000-2011.
authors.affiliation: Center for Global Tobacco Control, Harvard School of Public Health, Boston Massachusetts, USA. iagaku@post.harvard.edu
authors.forename: Israel T
authors.initials: IT
authors.lastname: Agaku
authors.forename: Constantine I
authors.initials: CI
authors.lastname: Vardavas
authors.forename: Olalekan A
authors.initials: OA
authors.lastname: Ayo-Yusuf
authors.forename: Hillel R
authors.initials: HR
authors.lastname: Alpert
authors.forename: Gregory N
authors.initials: GN
authors.lastname: Connolly
mesh_terms: D000293:Adolescent; D000367:Age Factors; D002648:Child; D003430:Cross-Sectional Studies; D003625:Data Collection; D005260:Female; D006801:Humans; D007878:Legislation as Topic; D008297:Male; D015995:Prevalence; D013334:Students / Q000706:statistics & numerical data*; D014030:Tobacco, Smokeless / Q000706:statistics & numerical data*; D014481:United States / Q000453:epidemiology; D055815:Young Adult