@misc{indiciaeff302a350b3f,
  title = {Osteosarcoma with epithelioid features. An immunohistochemical study.},
  author = {T Hasegawa and T Shibata and T Hirose and K Seki and K Hizawa},
  year = {1993},
  url = {https://pubmed.ncbi.nlm.nih.gov/7680195/},
  note = {Source identifier: 7680195}
}