@article{mortimer1991-1833351,
  author  = {Mortimer, J. A. and van Duijn, C. M. and Chandra, V. and Fratiglioni, L. and Graves, A. B. and Heyman, A. and Jorm, A. F. and Kokmen, E. and others},
  title   = {{Head trauma as a risk factor for Alzheimer's disease: a collaborative re-analysis of case-control studies. EURODEM Risk Factors Research Group}},
  journal = {International journal of epidemiology},
  year    = {1991},
  doi     = {10.1093/ije/20.supplement_2.s28},
  pmid    = {1833351},
  url     = {https://doi.org/10.1093/ije/20.supplement_2.s28}
}