Trends in blood lead levels and blood lead testing among US children aged 1 to 5 years, 1988-2004.
Jones RL, Homa DM, Meyer PA, Brody DJ, Caldwell KL, Pirkle JL, Brown MJ. Trends in blood lead levels and blood lead testing among US children aged 1 to 5 years, 1988-2004. Pediatrics. 2009 Mar; 123(3):e376-85.