title: Comparison of cigarette and waterpipe smoking among pupils in the urban area of Sousse, Tunisia. Tunis Med. 2010 Jul; 88(7):470-3.(Letter to editor). Pro.
authors.forename: Helmi
authors.initials: H
authors.lastname: Ben Saad
authors.forename: Kamal
authors.initials: K
authors.lastname: Chaouachi
mesh_terms: D015982:Bias; D006801:Humans; D012907:Smoking / Q000453:epidemiology*; D013334:Students / Q000706:statistics & numerical data*; D014026:Nicotiana / Q000737:chemistry; D014029:Tobacco Use Disorder / Q000453:epidemiology; D014416:Tunisia / Q000453:epidemiology; D014505:Urban Population / Q000706:statistics & numerical data*; D014944:World Health Organization