TY  - RPRT
TI  - [Justification in differentiating sub-groups of osteogenic sarcoma].
AU  - V Horn
AU  - Z Bozdĕch
AU  - M Macek
AU  - M Janecek
AU  - P Dufek
PY  - 1981
UR  - https://pubmed.ncbi.nlm.nih.gov/6945000/
ID  - 6945000
ER  -