TY - JOUR T1 - Chondrosarcoma secondary to hereditary multiple exostosis treated by extended internal hemiplevectomy JO - Sao Paulo Medical Journal A1 - Lopes, Ademar A1 - Morini, Sandra A1 - Vieira, Leonardo José A1 - Oliveira, Antonio Talvane de SN - 1516-3180 UL - 10.1590/S1516-31801997000300007 VL - 115 Y1 - 1997 PB - Brasil ER -