CDKN2A and leukemia: Progression of BCR-ABL Arf-/- luciferase tagged pre-B leukemia cells and survival from disease were compared between vitamin sufficient control mice and VDD, VAD and VADD mice by in vivo bioluminescence imaging of leukemic cells starting on day 8 after injection in male and female mice (Supplementary Figs. S1, S2).