1. HEMANGIOPERICYTOMA A VASCULAR TUMOR FEATURING ZIMMERMANNʼS PERICYTES
2. Hemangiopericytoma of the omentum;Stout;Surgery,1943
3. Tumors of blood vessels;Stout;Texas State J. Med.,1944
4. Hemangiopericytoma of the retroperitoneal space;Warren;J. Mississippi M. A.,1948
5. HEMANGIOPERICYTOMA