TY - RPRT TI - Ewing's sarcoma is an undifferentiated neuroectodermal tumor. AU - A O Cavazzana AU - J L Magnani AU - R A Ross AU - J Miser AU - T J Triche PY - 1988 UR - https://pubmed.ncbi.nlm.nih.gov/2900513/ ID - 2900513 ER -