The story of Deficits in psychologic and classroom performance of children with elevated dentine lead levels
Herbert Needleman and colleagues’ 1979 study of lead in children’s teeth and their test scores.
1979
Deficits in psychologic and classroom performance of children with elevated dentine lead levels. Herbert Needleman and colleagues’ 1979 study of lead in children’s teeth and their test scores.
1993
C. B. Ernhart disputes a finding of Deficits in psychologic and classroom performance of children with elevated dentine lead levels.
According to C. B. Ernhart. This is one side’s account, not established fact.
Sandra Scarr disputes a finding of Deficits in psychologic and classroom performance of children with elevated dentine lead levels.
According to Sandra Scarr. This is one side’s account, not established fact.
Each side is quoted in its own words. Whether a finding holds is not decided here.
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