@article{liu1991-1939196,
  author  = {Liu, W. K. and Ksiezak-Reding, H. and Yen, S. H.},
  title   = {{Abnormal tau proteins from Alzheimer's disease brains. Purification and amino acid analysis}},
  journal = {The Journal of biological chemistry},
  year    = {1991},
  doi     = {10.1016/s0021-9258(18)54696-2},
  pmid    = {1939196},
  url     = {https://doi.org/10.1016/s0021-9258(18)54696-2}
}