2Chong-Zhi Zhou Zhi-Hai Peng Fang Zhang Guo-Qiang Qiu Department of General Surgery,Shanghai First People Hospital,Shanghai 200080,China Lin He Shanghai Institutes for Biological Science,Chinese Academy of Science,Shanghai 200031,China.Loss of heterozygosity on long arm of chromosome 22 in sporadic colorectal carcinoma[J].World Journal of Gastroenterology,2002,8(4):668-673. 被引量:21