Epstein‐Barr virus‐induced polyclonal lymphoproliferative disorder of lymphoplasmacytic type in an autopsy case of aplastic anemia treated twice with anti‐thymocyte globulin therapy. (11th February 2015) - Okada, Eriko; Shigeyasu, Hiroki; Inaguma, Yoko; Emi, Nobuhiko; Sano, Kenji; Tsutsumi, Yutaka