求助文献1篇，非常感谢！

upbeat

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Topalian SL, Weiner GJ, Pardoll DM.
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J Clin Oncol. 2011 Dec 20;29(36):4828-36. Epub 2011 Oct 31. Review.
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PMID: 22042955 [PubMed - indexed for MEDLINE]
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