title: Waterpipe (hookah) tobacco smoking among youth. Foreword.
authors.forename: Ruth A
authors.initials: RA
authors.lastname: Etzel
mesh_terms: D000293:Adolescent; D000367:Age Factors; D002648:Child; D006801:Humans; D011634:Public Health; D012307:Risk Factors; D012907:Smoking / Q000453:epidemiology*; D014481:United States / Q000453:epidemiology