TY - RPRT TI - Morphological changes in osteosarcoma after chemotherapy--COSS 80. AU - G Delling AU - H Krumme AU - M Salzer-Kuntschik PY - 1983 DO - 10.1007/bf00625049 UR - https://pubmed.ncbi.nlm.nih.gov/6577012/ ID - 6577012 ER -