Liu, L., Chang, Y., Fu, J., Wang, J., & Wang, L. (2012). The mediating role of psychological capital on the association between occupational stress and depressive symptoms among Chinese physicians: A cross-sectional study. BioMed Central.

Liu, Li, Ying Chang, Jialiang Fu, Jiana Wang, and Lie Wang. The Mediating Role of Psychological Capital On the Association between Occupational Stress and Depressive Symptoms Among Chinese Physicians: A Cross-sectional Study. BioMed Central, 2012.

Liu, Li, et al. The Mediating Role of Psychological Capital On the Association between Occupational Stress and Depressive Symptoms Among Chinese Physicians: A Cross-sectional Study. BioMed Central, 2012.