@article{leung2011-21729426,
  author  = {Leung, J. L. and Lee, G. T. and Lam, Y. H. and Chan, R. C. and Wu, J. Y.},
  title   = {{The use of the Digit Span Test in screening for cognitive impairment in acute medical inpatients}},
  journal = {International psychogeriatrics},
  year    = {2011},
  doi     = {10.1017/s1041610211000792},
  pmid    = {21729426},
  url     = {https://doi.org/10.1017/s1041610211000792}
}