Antiplatelet therapy: the clot thickens No … ← Antiplatelet therapy: the clot thickens Flavell JR, Baumforth KRN, Wood VHJ, et al. Down-regulation of the TGF-beta target gene, PTPRK, by the Epstein-Barr virus-encoded EBNA1 contributes to the growth and survival of Hodgkin lymphoma cells. Blood. 2008;111(1):292-301 →