Giovanna Roncador, José-Francisco García Verdes-Montenegro, Sara Tedoldi, Jennifer C. Paterson, Wolfram Klapper, Erica Ballabio, Lorena Maestre, Stefano Pileri, Martin-Leo Hansmann, Miguel A. Piris, David Y. Mason, and Teresa Marafioti. 2007. “Expression of Two Markers of Germinal Center T Cells (SAP and PD-1) in Angioimmunoblastic T-Cell Lymphoma”. Haematologica 92 (8). Pavia, Italy, 1059-66. https://doi.org/10.3324/haematol.10864.