Mutations in the amino terminus of ANKH in two US families with calcium pyrophosphate dihydrate crystal deposition disease - Williams, C. J; Pendleton, A; Bonavita, G; Reginato, A. J; Hughes, A. E; Peariso, S; Doherty, M; McCarty, D. J; Ryan, L. M (Arthritis Rheum, 2003)