@misc{indiciaed039ec4f1daf,
  title = {Endogenous opioid receptor system mediates costly altruism in the human brain},
  author = {Chen, J. and Putkinen, V. and Seppälä, K. and Hirvonen, J. and Ioumpa, K. and Gazzola, V. and Keysers, C. and Nummenmaa, L.},
  year = {2023},
  doi = {10.1101/2023.12.06.569026},
  url = {https://www.biorxiv.org/content/10.1101/2023.12.06.569026v1},
  note = {Source identifier: 10.1101/2023.12.06.569026}
}