Simultaneous occurrence of the 11778 (ND4) and the 9438 (COX III) mtDNA mutations in Leber hereditary optic neuropathy: molecular, biochemical, and clinical findings.

Simultaneous occurrence of the 11778 (ND4) and the 9438 (COX III) mtDNA mutations in Leber hereditary optic neuropathy: molecular, biochemical, and clinical findings.