title: [Kearns-Shy syndrome: report of four cases].
mesh_terms: D000293:Adolescent; D000367:Age Factors; D001774:Blood Chemical Analysis; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007625:Kearns-Sayre Syndrome / Q000473:pathology* / Q000503:physiopathology; D008297:Male; D008854:Microscopy, Electron; D008931:Mitochondria, Muscle / Q000648:ultrastructure; D009460:Neurologic Examination; D009886:Ophthalmoplegia / Q000473:pathology*