Guo, C., He, P., Song, X., Chen, G., & Zheng, X. (2018). Co-morbid mental disability among Chinese elderly with motor disability: Based on a nationwide survey. PLoS One.

Guo, Chao, Ping He, Xinming Song, Gong Chen, e Xiaoying Zheng. "Co-morbid Mental Disability Among Chinese Elderly With Motor Disability: Based On a Nationwide Survey." PLoS One 2018.

Guo, Chao, et al. "Co-morbid Mental Disability Among Chinese Elderly With Motor Disability: Based On a Nationwide Survey." PLoS One 2018.