@article{kopke1993-8226987,
  author  = {Köpke, E. and Tung, Y. C. and Shaikh, S. and Alonso, A. C. and Iqbal, K. and Grundke-Iqbal, I.},
  title   = {{Microtubule-associated protein tau. Abnormal phosphorylation of a non-paired helical filament pool in Alzheimer disease}},
  journal = {The Journal of biological chemistry},
  year    = {1993},
  doi     = {10.1016/s0021-9258(20)80536-5},
  pmid    = {8226987},
  url     = {https://doi.org/10.1016/s0021-9258(20)80536-5}
}