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Hall KT, Boumsell L, Schultze JL, Boussiotis VA, Dorfman DM, Cardoso AA, Bensussan A, Nadler LM, Freeman GJ.Hall KT, et al. Among authors: dorfman dm.Proc Natl Acad Sci U S A. 1996 Oct 15;93(21):11780-5. doi: 10.1073/pnas.93.21.11780.Proc Natl Acad Sci U S A. 1996.PMID: 8876214Free PMC article.