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Role of the CD28 receptor in T-cell activation.
June CH, Ledbetter JA, Linsley PS, Thompson CB. June CH, et al. Immunol Today. 1990 Jun;11(6):211-6. doi: 10.1016/0167-5699(90)90085-n. Immunol Today. 1990. PMID: 2162180 Free article. Review.
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