Particulate Matter Exposure and Stress Hormone Levels: A Randomized, Double-Blind, Crossover Trial of Air Purification.

Author: Li, Huichu MS *; Cai, Jing PhD *; Chen, Renjie PhD; Zhao, Zhuohui PhD; Ying, Zhekang PhD; Wang, Lin PhD; Chen, Jianmin PhD; Hao, Ke ScD; Kinney, Patrick L. ScD; Chen, Honglei MD, PhD; Kan, Haidong MD, PhD

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