Childhood lead poisoning: the torturous path from science to policy
J. Clin. Invest. David C. Bellinger, et al. 116:853
doi:10.1172/JCI28232 [Go to this article.]

Figure 3
Lowest observed effect levels (μg/dl) of inorganic lead in children. As lead serves no useful purpose in the body, exposure to it — regardless of route — can lead to toxic effects. Specific physiologic effects of inorganic lead exposure have been associated with major organ systems and functions. Data obtained from ref. 40.