A YAC CONTIG ACROSS THE FRAGILE-X REGION DERIVED FROM CHROMOSOME MICRODISSECTION MARKERS by Hirst, M, Nakahori, Y, Knight, S, Roche, A, Raut, C, Rack, K, Flynn, G, Buckle, V, Bell, M, Claussen, U, Ludecke, H, Senger, G, Horsthemke, B, Holland, J, Bentley, D, Super, M, Davies, K