@article{ng2014-24577463,
  author  = {Ng, T. P. and Feng, L. and Yap, K. B. and Lee, T. S. and Tan, C. H. and Winblad, B.},
  title   = {{Long-term metformin usage and cognitive function among older adults with diabetes}},
  journal = {Journal of Alzheimer's disease : JAD},
  year    = {2014},
  doi     = {10.3233/jad-131901},
  pmid    = {24577463},
  url     = {https://doi.org/10.3233/jad-131901}
}