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23. Zota et al., “Associations of Cadmium and Lead Exposure with Leukocyte Telomere Length.” (See #20 above.)

24. Wu, Y., et al., “High Lead Exposure Is Associated with Telomere Length Shortening in Chinese Battery Manufacturing Plant Workers,” Occupational and Environmental Medicine 69, no. 8 (August 2012): 557-563, doi:10.1136/oemed-2011–100478.

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