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标题:Orthotopic microinjection of human colon cancer cells in nude mice induces tumor foci in all clinically relevant metastatic sites. ! `2 M" p* E7 z! K/ }! l " d t2 A3 z: B' S, Z3 x$ X下载链接http://www.sciencedirect.com/science/article/pii/S00029440106092617 f9 F4 l3 V, _0 g+ Z2 w
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