@article{jia2019-31266451,
  author  = {Jia, R. X. and Liang, J. H. and Xu, Y. and Wang, Y. Q.},
  title   = {{Effects of physical activity and exercise on the cognitive function of patients with Alzheimer disease: a meta-analysis}},
  journal = {BMC geriatrics},
  year    = {2019},
  doi     = {10.1186/s12877-019-1175-2},
  pmid    = {31266451},
  url     = {https://doi.org/10.1186/s12877-019-1175-2}
}