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Jenkins MK, Pardoll DM, Mizuguchi J, Chused TM, Schwartz RH.Jenkins MK, et al. Among authors: pardoll dm.Proc Natl Acad Sci U S A. 1987 Aug;84(15):5409-13. doi: 10.1073/pnas.84.15.5409.Proc Natl Acad Sci U S A. 1987.PMID: 2955418Free PMC article.