Cellular interference in craniofrontonasal syndrome: males mosaic for mutations in the X-linked EFNB1 gene are more severely affected than true hemizygotes. by Twigg, SR, Babbs, C, van den Elzen, M, Goriely, A, Taylor, S, McGowan, S, Giannoulatou, E, Lonie, L, Ragoussis, J, Sadighi Akha, E, Knight, S, Zechi-Ceide, R, Hoogeboom, J, Pober, B, Toriello, H, Wall, SA, Rita Passos-Bueno, M, Brunner, H, Mathijssen, I, Wilkie, A