@article{feng2012-22815014,
  author  = {Feng, L. and Chong, M. S. and Lim, W. S. and Ng, T. P.},
  title   = {{The Modified Mini-Mental State Examination test: normative data for Singapore Chinese older adults and its performance in detecting early cognitive impairment}},
  journal = {Singapore medical journal},
  year    = {2012},
  pmid    = {22815014}
}