TY - RPRT TI - The correlation evaluation of a tumor tracking system using multiple external markers. AU - Hui Yan AU - Fang-Fang Yin AU - Guo-Pei Zhu AU - Munther Ajlouni AU - Jae Ho Kim PY - 2006 DO - 10.1118/1.2358830 UR - https://pubmed.ncbi.nlm.nih.gov/17153387/ ID - 17153387 ER -