title: Which cut-off level of urine cotinine:creatinine ratio (CCR) should be used to determine passive smoking prevalence in children in community based studies?
authors: Pembe
authors: P
authors: Keskinoglu
authors: Dilek
authors: D
authors: Cimrin
authors: Gazanfer
authors: G
authors: Aksakoglu
mesh_terms: D015415:Biomarkers / Q000652:urine; D002648:Child; D002675:Child, Preschool; D003367:Cotinine / Q000652:urine*; D003404:Creatinine / Q000652:urine*; D004781:Environmental Exposure / Q000032:analysis; D004784:Environmental Monitoring / Q000379:methods*; D005260:Female; D006801:Humans; D008297:Male; D014028:Tobacco Smoke Pollution / Q000032:analysis*
chemical_list: D015415:Biomarkers; D014028:Tobacco Smoke Pollution; D003404:Creatinine; D003367:Cotinine