title: [Partial deficiency of cytochrome c oxidase in skeletal muscles; two cousins presenting progressive external ophthalmoplegia and proximal weakness of the limbs].
mesh_terms: D030401:Cytochrome-c Oxidase Deficiency; D005260:Female; D005799:Genes, Dominant; D006801:Humans; D008297:Male; D008854:Microscopy, Electron; D008875:Middle Aged; D008931:Mitochondria, Muscle / Q000648:ultrastructure; D009123:Muscle Hypotonia / Q000235:genetics* / Q000473:pathology; D009132:Muscles / Q000201:enzymology* / Q000473:pathology; D009886:Ophthalmoplegia / Q000235:genetics* / Q000473:pathology