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T-cell stimulation: an abundance of B7s


Many different T-cell co-stimulatory molecules have been recently discovered. Determining exactly how many there are, why there are so many and what they all do is the next task (1365–1369).

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Abbas, A., Sharpe, A. T-cell stimulation: an abundance of B7s. Nat Med 5, 1345–1346 (1999).

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