TY - RPRT TI - Ultrastructural study of tumor cell differentiation in osteosarcoma of jaw bones. AU - A Schulz AU - R Baerker AU - G Delling PY - 1978 DO - 10.1111/j.1600-0714.1978.tb01581.x UR - https://pubmed.ncbi.nlm.nih.gov/96236/ ID - 96236 ER -