@misc{indiciae151c4a516c1d,
  title = {Extraosseous osteosarcoma of the lung.},
  author = {I M Reingold and G D Amromin},
  year = {1971},
  doi = {10.1002/1097-0142(197108)28:2<491::aid-cncr2820280231>3.0.co;2-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/5284467/},
  note = {Source identifier: 5284467}
}