Prognostic significance of CD20 expression in classical Hodgkin lymphoma: a clinicopathological study of 119 cases. Posted byadmin 27. July 2020 Tzankov A, Krugmann J, Fend F, Fischhofer M, Greil R, Dirnhofer S. http://www.ncbi.nlm.nih.gov/pubmed/12684408