@article{Yuhong Niu20172017.01266, title={Activity outside the home, environmental barriers, and healthy aging for community-dwelling elderly individuals in China}, author={Yuhong Niu and Na Li and Chunlin Jin and Duo Chen and Yitong Yang and Hansheng Ding}, journal={BioScience Trends}, volume={11}, number={5}, pages={603-605}, year={2017}, doi={10.5582/bst.2017.01266} }