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. 2011 Dec 14;6(12):e28948. doi: 10.1371/journal.pone.0028948

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Yu et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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CD8⁺ T cells freshly isolated from healthy volunteers (A) or after in vitro stimulation with donor APCs plus γc cytokines for 9 days (B) were analyzed for cell surface or intracellular markers by multichromatic flow cytometry. Date shown are representative of three independent experiments.