TY - RPRT TI - Osteosarcoma with epithelioid features. An immunohistochemical study. AU - T Hasegawa AU - T Shibata AU - T Hirose AU - K Seki AU - K Hizawa PY - 1993 UR - https://pubmed.ncbi.nlm.nih.gov/7680195/ ID - 7680195 ER -