1. Continual Decrease in Blood Lead Level in Americans: United States National Health Nutrition and Examination Survey  
Man-Fung Tsoi, BSc, Ching-Lung Cheung, PhD, Tommy Tsang Cheung, MRCP, Bernard Man Yung Cheung, PhD 
The American Journal of Medicine 
Volume 129, Issue 11, Pages (November 2016)
DOI: /j.amjmed
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2. Figure 1
Estimated mean blood lead level in participants in different age groups in
The American Journal of Medicine  , DOI: ( /j.amjmed )
Copyright © 2016 The Authors Terms and Conditions

3. Figure 2
Estimated proportion of children aged 1 to 5 years with elevated lead level in
The American Journal of Medicine  , DOI: ( /j.amjmed )
Copyright © 2016 The Authors Terms and Conditions