title: Review of the article by Knox: leukemia clusters in childhood.
authors: G M
authors: GM
authors: Swaen
mesh_terms: D000393:Air Pollutants / Q000009:adverse effects; D015982:Bias; D002648:Child; D016000:Cluster Analysis; D004812:Epidemiologic Methods; D005579:Fossil Fuels / Q000009:adverse effects; D006801:Humans; D007938:Leukemia / Q000139:chemically induced / Q000453:epidemiology*
chemical_list: D000393:Air Pollutants; D005579:Fossil Fuels