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. 2007 Nov 13;97(10):1409–1415. doi: 10.1038/sj.bjc.6604035

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Copyright © 2007 Cancer Research UK

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Peptide neutralization of Id-1 and Id-2. (Panel 1) Id-1 staining was strong in a particular ESCC case (A) but was negative when Id-1 blocking peptide was added (B). (Panel 2) Staining of Id-2 was strong in a particular ESCC case (C) but was negative when Id-2 blocking peptide was added (D).