title: Re: 'Population mixing, socio-economic status and incidence of childhood acute lymphoblastic leukaemia in England and Wales--analysis by census ward' and 'Childhood leukaemia and population movements in France, 1990-2003'.
authors.forename: R
authors.initials: R
authors.lastname: Wakeford
mesh_terms: D002675:Child, Preschool; D004739:England / Q000453:epidemiology; D005602:France / Q000453:epidemiology; D006801:Humans; D015994:Incidence; D007223:Infant; D054198:Precursor Cell Lymphoblastic Leukemia-Lymphoma / Q000453:epidemiology*; D012923:Social Class; D014852:Wales / Q000453:epidemiology