title: Response to: what we want to know is … is it true or false?
authors.forename: R S
authors.initials: RS
authors.lastname: Bhopal
mesh_terms: D000397:Air Pollution / Q000009:adverse effects; D015982:Bias; D015986:Confounding Factors, Epidemiologic; D006801:Humans; D009026:Mortality; D011159:Population Surveillance; D012606:Scotland / Q000453:epidemiology; D014505:Urban Population