TY - RPRT TI - Pathologic quiz case 2. Mesenchymal chondrosarcoma. AU - J F Piccirillo AU - S M Parnes PY - 1990 DO - 10.1001/archotol.1990.01870030124027 UR - https://pubmed.ncbi.nlm.nih.gov/2306360/ ID - 2306360 ER -