@article{berggren2020-32011156,
  author  = {Berggren, R. and Nilsson, J. and Brehmer, Y. and Schmiedek, F. and Lövdén, M.},
  title   = {{Foreign language learning in older age does not improve memory or intelligence: Evidence from a randomized controlled study}},
  journal = {Psychology and aging},
  year    = {2020},
  doi     = {10.1037/pag0000439},
  pmid    = {32011156},
  url     = {https://doi.org/10.1037/pag0000439}
}