@article{xie_ding_zhong_yi_zeng_hu_zhou_2014,  title={Mental health is the most important factor influencing quality of life in elderly left behind when families migrate out of rural China},  volume={22},  ISSN={0104-1169},  url={https://doi.org/10.1590/0104-1169.3400.2425},  DOI={10.1590/0104-1169.3400.2425},  number={3},  journal={Revista Latino-Americana de Enfermagem},  publisher={Escola de Enfermagem de Ribeirão Preto / Universidade de São Paulo},  author={Xie, Jian-fei and Ding, Si-qing and Zhong, Zhu-qing and Yi, Qi-feng and Zeng, Sai-nan and Hu, Jun-hua and Zhou, Jian-da},  year={2014},  month={May},  pages={364–370} }