@article{rountree2009-19845950,
  author  = {Rountree, S. D. and Chan, W. and Pavlik, V. N. and Darby, E. J. and Siddiqui, S. and Doody, R. S.},
  title   = {{Persistent treatment with cholinesterase inhibitors and/or memantine slows clinical progression of Alzheimer disease}},
  journal = {Alzheimer's research \& therapy},
  year    = {2009},
  doi     = {10.1186/alzrt7},
  pmid    = {19845950},
  url     = {https://doi.org/10.1186/alzrt7}
}