TY  - RPRT
TI  - Extraosseous osteogenic sarcoma.
AU  - F Wurlitzer
AU  - L Ayala
AU  - M Romsdahl
PY  - 1972
DO  - 10.1001/archsurg.1972.04180110016006
UR  - https://pubmed.ncbi.nlm.nih.gov/4507677/
ID  - 4507677
ER  -