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21. Hou, L., et al., “Air Pollution Exposure and Telomere Length in Highly Exposed Subjects in Beijing, China: A Repeated-Measure Study,” Environment International 48 (November 1, 2012); 71–77, doi:10.1016/ j.envint.2012.06.020; and Hoxha, M., et al., “Association Between Leukocyte Telomere Shortening and Exposure to Traffic Pollution: A Cross-Sectional Study on Traffic Officers and Indoor Office Workers,” Environmental Health 8 (September 21, 2009): 41, doi:10.1186/1476–069X-8–41.

22. 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.

23. Pavanello et al., “Shorter Telomere Length in Peripheral Blood Lymphocytes of Workers Exposed to Polycyclic Aromatic Hydrocarbons” (See #20 above); and Bin, P., et al., “Association Between Telomere Length and Occupational Polycyclic Aromatic Hydrocarbons Exposure,” Zhonghua Yu Fang Yi Xue Za Zhi 44, no. 6 (June 2010): 535–538. (The article is in Chinese.)

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