@article{agarwal2021-34770565,
  author  = {Agarwal, D. and Marques, G. and de la Torre-Díez, I. and Franco Martin, M. A. and García Zapiraín, B. and Martín Rodríguez, F.},
  title   = {{Transfer Learning for Alzheimer's Disease through Neuroimaging Biomarkers: A Systematic Review}},
  journal = {Sensors (Basel, Switzerland)},
  year    = {2021},
  doi     = {10.3390/s21217259},
  pmid    = {34770565},
  url     = {https://doi.org/10.3390/s21217259}
}