1. Preventing Lead Poisoning in Young Children: A Statement by the Centersfor Disease Control October 1991 (Centers for Disease Control Atlanta GA 1991).
2. C. B. Ernhart and S. Scarr unpublished manuscript October 1990.
3. Expert Committee on Pediatric Neurobehavioral Evaluations 'Independent peer review of selected studies concerning neurobehavioral effect of lead exposures in nominally asymptomatic children: Official report of findings and recommendations of an interdisciplinary expert review committee" (EPA600/8-83-028A Environmental Protection Agency Research Triangle Park NC 25 August 1983 and 14 November 1983).
4. "Minutes Clean Air Scientific Advisory Committee (CASAC)" (Science Advisory Board Environmental Protection Agency Research Triangle Park NC 27 April 1984).
5. H. M. Pitcher "Comments on issues raised in the analysis ofthe neuropsychological effects oflow level lead exposure" (ECAO-CD-81-2 UA.F.19 Environmental Criteria and Assessment Office Environmental Protection Agency Research Triangle Park NC 27 April 1984).