Avascular necrosis of the hip and diffuse idiopathic skeletal hyperostosis during long‐term isotretinoin treatment of epidermolytic ichthyosis due to a novel deletion mutation in KRT10. (1st October 2014) - Lamb, R.C.; Lang, J.; Terron‐Kwiatowski, A.; Baty, D.; McLean, W.H.I.; Zamiri, M.