@misc{indiciaee1bbb7870ece,
  title = {Challenges and values.},
  author = {F M Abboud},
  year = {1991},
  doi = {10.1161/01.cir.83.6.2128},
  url = {https://pubmed.ncbi.nlm.nih.gov/2040060/},
  note = {Source identifier: 2040060}
}