中国医药导报
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Analysis of surgical value and survival in patients over 90 years of age with colorectal cancer
ZENG Weigen   PANG Guoyi   ZHAO Qi   XIE Dehong   QU Hao   HAN Jiagang   ZHAO Baocheng   WANG Zhenjun▲
Department of General Surgery, Beijing Chao-yang Hospital, Capital Medical University, Beijing   100020, China
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