1. Faust D, Brown J (1987) Moderately elevated blood lead levels: effects on neuropsychologic functioning in children. Pediatrics 80:623–629
2. Charney E (1982) Sub-encephalopathic lead poisoning: central nervous system effects in children In: Chisolm JJ, O'Hara DM (eds) Lead abosption in children. Urban and Schwarzenberg, Baltimore, pp 35–41
3. Needleman HL, Gunnoe C, Leviton A, et al (1979) Deficits in psychologic and classroom performance of children with elevated deminte lead levels. N Engl J Med 300:689–695
4. Moore MR, Goldberg A, Bushnell IWR, Day R, Fyfe WM (1982) A prospective study of the neurological effects of lead in children. Neurobehav Toxicol Teratol 4:739–743
5. Winneke G, Brockhaus A, Ewers U, et al (1990) Results from the European multicenter study on lead neurotoxicity in children: implications for ris assessment Neurotoxicol Teratol 2:553–559