Ernhart, C.B., Landa, B., & Schell, N.B.Subclinical levels of lead and developmental deficit: A multivariate follow-up reassessment. Pediatrics. 1981, 67, 911–919.
2.
Perino. J., & Ernhart, C.B.The relation Of subclinical lead level to cognitive and sensorimotor impairment in black preschoolers. Journal of Learning Disabilities. 1974, 7, 616–620.
3.
Rosenrhal, R., & Rubin, D.B.A simple, general purpose display of magnitude of experimental effect. Journal of Educational Psychiatry. 1982, 74, 166–169.
4.
Cohen, J.Statistical Paver Analyses for the Behavioral Sciences. (Rev. Ed.) New York: Academic Press, 1977.
5.
Emhart, C.B., Landa, B., & Schell, N.B.Subclinical Levels of Lead and Developmental Deficit: A Multivariate Follow-up Reassessment. Pediatrics, 1981, 67, 911–919..
6.
Ernhart, C.B., Landa, B. & Wolf, A.W.Subclinical Lead Level and Developmental Deficit: Re-analyses of Data. Journal of Learning Disabilities, 1985, 18, 475–479.
7.
Needleman, H.L.Lead and IQ Scores: A Reanalysis. Science, 1985, 227, 701–704.
8.
US. Environmental Protection Agency: Independent Peer Review of Selected Studies Concerning Neurobehavioral Effects of Lead Exposures in Nominally Asymptomatic Children: Official Report of Findings and Recommendations of an Interdisciplinary Expert Review Committee. 1983. EPA-60018-83-028A.
