@article{schindler2018-28710906,
  author  = {Schindler, S. E. and Sutphen, C. L. and Teunissen, C. and McCue, L. M. and Morris, J. C. and Holtzman, D. M. and Mulder, S. D. and Scheltens, P. and others},
  title   = {{Upward drift in cerebrospinal fluid amyloid β 42 assay values for more than 10 years}},
  journal = {Alzheimer's \& dementia : the journal of the Alzheimer's Association},
  year    = {2018},
  doi     = {10.1016/j.jalz.2017.06.2264},
  pmid    = {28710906},
  url     = {https://doi.org/10.1016/j.jalz.2017.06.2264}
}