Generation of T follicular helper cells is mediated by interleukin-21 but independent of T helper 1, 2, or 17 cell lineages.
Immunity. 2008 Jul 18;29(1):138-49. doi: 10.1016/j.immuni.2008.05.009. Epub 2008 Jul 3.
Immunity. 2008.
PMID: 18599325
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