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European Journal of Epidemiology > 2003 > 18 > 1 > 15-18
Environmental Geochemistry and Health > 2002 > 24 > 3 > 229-247
European Journal of Epidemiology > 2003 > 18 > 1 > 15-18
Environmental Geochemistry and Health > 2002 > 24 > 3 > 229-247