Environmental lead and children's intelligence at ages 11-13 years : the Port Pirie cohort study / Shilu Tong.

Includes bibliographical references.xvi, 201, [35] leaves : ill. ; 30 cm.An introduction to the general topic of lead as an environmental contaminant and a critical review of epidemiloogical evidence of lead exposure and neuropsychological (particularly cognitive) development, a description of the research design and methods, and an evaluation of the validity of the precision of the study.Thesis (Ph.D.)--University of Adelaide, Dept. of Community Medicine,199