Linkage to 18qter differentiates two clinically overlapping syndromes: congenital cataracts-facial dysmorphism-neuropathy (CCFDN) syndrome and Marinesco-Sjögren syndrome. Issue 11 (1st November 2002) - Lagier-Tourenne, C; Chaigne, D; Gong, J; Flori, J; Mohr, M; Ruh, D; Christmann, D; Flament, J; Mandel, J-L; Koenig, M; Dollfus, H