Tacke F, Marini FC, Zhao S, McQueen T, Konopleva M, Ruvolo PP, Hu SX, Xu HJ, Andreeff M. Expression of inducible Bcl-X(S) in myeloid leukemia: compensatory upregulation of Bcl-X(L) and Bcl-2 prevents apoptosis and chemosensitization. . 2004 Mar; 3(3):340-7.