Oculofaciocardiodental and Lenz microphthalmia syndromes result from distinct classes of mutations in BCOR. by Ng, D, Thakker, N, Corcoran, C, Donnai, D, Perveen, R, Schneider, A, Hadley, D, Tifft, C, Zhang, L, Wilkie, A, van der Smagt, J, Gorlin, R, Burgess, S, Bardwell, V, Black, G, Biesecker, L