TY - GEN AU - Ma,Z AU - Li,Q AU - Lu,G TI - [Surgical treatment of sacral tumor] SN - 1000-5625 PY - 2000///0425 KW - Adult KW - Chordoma KW - surgery KW - Female KW - Giant Cell Tumor of Bone KW - Humans KW - Male KW - Middle Aged KW - Sacrum KW - Spinal Neoplasms N1 - Publication Type: English Abstract; Journal Article ER -