Valproic acid induces differentiation and transient tumor regression, but spares leukemia-initiating activity in mouse models of APL. - Leiva, M; Moretti, S; Soilihi, H; Pallavicini, I; Peres, L; Mercurio, C; Dal Zuffo, R; Minucci, S; de Thé, H (Leukemia (08876924), 2012)