A Heteroplasmic Mitochondrial DNA 3310 Mutation in the ND1 Gene in a Patient with Type 2 Diabetes, Hypertrophic Cardiomyopathy, and Mental Retardation - Hattori, Y; Takeoka, M; Nakajima, K; Ehara, T; Koyama, M (Experimental and Clinical Endocrinology & Diabetes, 2005)