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Samelson LE, Fletcher MC, Ledbetter JA, June CH.Samelson LE, et al. Among authors: ledbetter ja.J Immunol. 1990 Oct 15;145(8):2448-54.J Immunol. 1990.PMID: 1976695
June CH, Fletcher MC, Ledbetter JA, Schieven GL, Siegel JN, Phillips AF, Samelson LE.June CH, et al. Among authors: ledbetter ja.Proc Natl Acad Sci U S A. 1990 Oct;87(19):7722-6. doi: 10.1073/pnas.87.19.7722.Proc Natl Acad Sci U S A. 1990.PMID: 2217205Free PMC article.
Turka LA, Ledbetter JA, Lee K, June CH, Thompson CB.Turka LA, et al. Among authors: ledbetter ja.J Immunol. 1990 Mar 1;144(5):1646-53.J Immunol. 1990.PMID: 2155264