@misc{indiciaee2a291dec605,
  title = {PPS update.},
  author = {P Grimaldi},
  year = {1992},
  doi = {10.1097/00006247-199210000-00007},
  url = {https://pubmed.ncbi.nlm.nih.gov/1407833/},
  note = {Source identifier: 1407833}
}