TY - JOUR T1 - The study of a frameless stereotactic localization method using DSA A1 - Fei, Baowei A1 - Zhuang, Tiange JO - Zhongguo yi liao qi xie za zhi= Chinese journal of medical instrumentation VL - 21 IS - 4 SP - 207 EP - 210 SN - 1671-7104 Y1 - 1997 ER -