TY  - RPRT
TI  - Osteosarcoma: pathology and classification.
AU  - K K Unni
AU  - D C Dahlin
PY  - 1989
DO  - 10.1016/0037-198x(89)90010-2
UR  - https://pubmed.ncbi.nlm.nih.gov/2772662/
ID  - 2772662
ER  -