Clustering and frequency of mutations in the retinal guanylate cyclase (GUCY2D) gene in patients with dominant cone-rod dystrophies. Issue 9 (1st September 2001) - Payne, Annette M; Morris, Alex G; Downes, Susan M; Johnson, Samantha; Bird, Alan C; Moore, Anthony T; Bhattacharya, Shomi S; Hunt, David M