Robert S. Knorr

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The Massachusetts Department of Public Health, in collaboration with the U.S. Centers for Disease Control and Prevention Environmental Public Health Tracking Program, initiated a 3-year statewide project for the routine surveillance of asthma in children using school health records as the primary data source. School district nurse leaders received(More)
It is now widely accepted that childhood exposure to even low levels of lead can adversely affect neurodevelopment, behavior, and cognitive performance. Using individual‐level data on childhood lead levels and test scores in Massachusetts, this paper investigates the link between lead levels in early childhood in the 1990s and student test scores in(More)
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