title: Comments on "Background exposure to chemicals: what is the risk?".
authors.forename: D W
authors.initials: DW
authors.lastname: Kononen
authors.forename: R C
authors.initials: RC
authors.lastname: Schwing
mesh_terms: D000393:Air Pollutants / Q000032:analysis*; D000818:Animals; D002273:Carcinogens; D004781:Environmental Exposure; D006801:Humans; D012307:Risk Factors; D014241:Trichloroethylene / Q000032:analysis
chemical_list: D000393:Air Pollutants; D002273:Carcinogens; D014241:Trichloroethylene