TY  - RPRT
TI  - Primary skeletal neoplasms: osteosarcoma and ewing sarcoma.
AU  - Fredric A Hoffer
PY  - 2002
DO  - 10.1097/00002142-200208000-00004
UR  - https://pubmed.ncbi.nlm.nih.gov/12409691/
ID  - 12409691
ER  -