@article{phukan2007-17945153,
  author  = {Phukan, J. and Pender, N. P. and Hardiman, O.},
  title   = {{Cognitive impairment in amyotrophic lateral sclerosis}},
  journal = {The Lancet. Neurology},
  year    = {2007},
  doi     = {10.1016/s1474-4422(07)70265-x},
  pmid    = {17945153},
  url     = {https://doi.org/10.1016/s1474-4422(07)70265-x}
}