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Qiao, Shan, Xiaoming Li, Samuele Zilioli, Zheng Chen, Huihua Deng, Juxian Pan, et Weigui Guo. "Hair Measurements of Cortisol, DHEA, and DHEA to Cortisol Ratio As Biomarkers of Chronic Stress Among People Living With HIV in China: Known-Group Validation." PLoS One 2017.

Qiao, Shan, et al. "Hair Measurements of Cortisol, DHEA, and DHEA to Cortisol Ratio As Biomarkers of Chronic Stress Among People Living With HIV in China: Known-Group Validation." PLoS One 2017.