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Sanchez-Madrid F, Krensky AM, Ware CF, Robbins E, Strominger JL, Burakoff SJ, Springer TA.Sanchez-Madrid F, et al.Proc Natl Acad Sci U S A. 1982 Dec;79(23):7489-93. doi: 10.1073/pnas.79.23.7489.Proc Natl Acad Sci U S A. 1982.PMID: 6984191Free PMC article.