Null mutation of the Lmo4 gene or a combined null mutation of the Lmo1/Lmo3 genes causes perinatal lethality, and Lmo4 controls neural tube development in mice. od Tse, E, Smith, A, Hunt, S, Lavenir, I, Forster, A, Warren, A, Grutz, G, Foroni, L, Carlton, M, Colledge, W, Boehm, T, Rabbitts, T