title: Comment on "Second-Hand Smoking among Intermediate and Secondary School Students in Madinah, Saudi Arabia".
authors.affiliation: Department of Community Medicine, Yenepoya Medical College, Yenepoya University, Mangalore, Karnataka 575018, India.
authors.forename: Siddharudha
authors.initials: S
authors.lastname: Shivalli
mesh_terms: D004781:Environmental Exposure / Q000706:statistics & numerical data*; D006801:Humans; D012574:Schools / Q000706:statistics & numerical data*; D012907:Smoking / Q000453:epidemiology*; D013334:Students / Q000706:statistics & numerical data*; D014028:Tobacco Smoke Pollution / Q000706:statistics & numerical data*
chemical_list: D014028:Tobacco Smoke Pollution