1R. Wolf,R. F. E. Wolf,H. J. Hoekstra. Recurrent, multiple, calcified soft tissue metastases from osteogenic sarcoma without pulmonary involvement[J] 1999,Skeletal Radiology(12):710~713
2W. C. G. Peh,Tony W. H. Shek,Shih-chang Wang,Jimmy W. K. Wong,Eric P. Chien. Osteogenic sarcoma with skeletal muscle metastases[J] 1999,Skeletal Radiology(5):298~304