@article{BrandWolffZiegler2016,
  author    = {Ralf Brand and Wanja Wolff and Matthias Ziegler},
  title     = {Drugs As Instruments: Describing and Testing a Behavioral Approach to the Study of Neuroenhancement},
  journal   = {Frontiers in psychology},
  volume    = {7},
  doi       = {10.3389/fpsyg.2016.01226},
  year      = {2016},
}