求助文献：
【题 名】CT differentiation of gastric ectopic pancreas from gastric stromal tumor
【作 者】Liu, Chang;Yang, Fang;Zhang, Wenming;Ao, Weiqun;An, Yongyu;Zhang, Cui;Dai, Bailing;Pu, Cailing;Wang, Jian;
【机 构】Zhejiang Univ, Affiliated Hosp 1, Coll Med, Dept Radiol, 79 Qingchun Rd, Hangzhou 310003, Zhejiang, Peoples R China;Zhejiang Univ, Sir Run Run Shaw Hosp, Dept Pathol, Sch Med, 3 East Qingchun Rd, Hangzhou 310016, Peoples R China;Zhejiang Univ, Sir Run Run Shaw Hosp, Dept Radiol, Sch Med, 3 East Qingchun Rd, Hangzhou 310016, Peoples R China;TongDe Hosp ZheJiang Prov, Dept Radiol, 234 Gucui Rd, Hangzhou 310012, Zhejiang, Peoples R China;
【刊 名】BMC gastroenterology
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