@misc{indiciaedcc18dc09b98,
  title = {Trés difficile.},
  author = {E Wilkins},
  year = {1993},
  doi = {10.1016/0163-4453(93)96616-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/8454879/},
  note = {Source identifier: 8454879}
}