@misc{indiciaef991b031faea,
  title = {Peripheral primitive neuroectodermal tumors. Diagnosis, classification, and prognosis.},
  author = {M Tsokos},
  year = {1992},
  url = {https://pubmed.ncbi.nlm.nih.gov/1335143/},
  note = {Source identifier: 1335143}
}