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. Author manuscript; available in PMC: 2012 Aug 1.
Published in final edited form as: J Occup Environ Med. 2011 Aug;53(8):850–855. doi: 10.1097/JOM.0b013e31822589a9

Figure 1. Age-Stratified means and Standard deviations for tibia and patella Pb levels over the study period.

Figure 1

Over the 11 years included in the study, older individuals in the study population maintain consistently higher tibia and patella bone lead levels.