@misc{indiciaec808c8991ad0,
  title = {Predicting future blood donor returns: past behavior, intentions, and observer effects.},
  author = {Eamonn Ferguson and Peter A Bibby},
  year = {2002},
  doi = {10.1037//0278-6133.21.5.513},
  url = {https://pubmed.ncbi.nlm.nih.gov/12211519/},
  note = {Source identifier: 12211519}
}