@article{ma2017-29104866,
  author  = {Ma, L. and Zhang, L. and Zhang, Y. and Li, Y. and Tang, Z. and Chan, P.},
  title   = {{Cognitive Frailty in China: Results from China Comprehensive Geriatric Assessment Study}},
  journal = {Frontiers in medicine},
  year    = {2017},
  doi     = {10.3389/fmed.2017.00174},
  pmid    = {29104866},
  url     = {https://doi.org/10.3389/fmed.2017.00174}
}