title: Epidemiological surveys might underestimate waterpipe smoking.
authors.affiliation: Department of Primary Care and Public Health, Imperial College London, London W6 8RP, UK mohammed.jawad06@imperial.ac.uk.
authors.forename: Mohammed
authors.initials: M
authors.lastname: Jawad
authors.affiliation: Department of Primary Care and Public Health, Imperial College London, London W6 8RP, UK.
authors.forename: Christopher
authors.initials: C
authors.lastname: Millett
mesh_terms: D006801:Humans; D012907:Smoking / Q000523:psychology*; D013638:Tars / Q000009:adverse effects*
chemical_list: D013638:Tars