Association between the number of teeth and frailty among Chinese older adults: a nationwide cross-sectional study
Yaohua Gu, Wenwen Wu, Jinbing Bai, Xuyu Chen, Xiaoli Chen, Liping Yu, Qing Zhang, Zhijie Zou, Xianwu Luo, Xianbo Pei, Xin Liu, Xiaodong Tan
BMJ Open Oct 2019, 9 (10) e029929; DOI: 10.1136/bmjopen-2019-029929