title: Muscle weakness in an adolescent male.
mesh_terms: D000293:Adolescent; D002556:Cerebrospinal Fluid Proteins / Q000134:cerebrospinal fluid; D004576:Electromyography; D006801:Humans; D007625:Kearns-Sayre Syndrome / Q000150:complications / Q000473:pathology / Q000503:physiopathology; D008297:Male; D008854:Microscopy, Electron; D008928:Mitochondria / Q000473:pathology; D009132:Muscles / Q000473:pathology; D009135:Muscular Diseases / Q000209:etiology / Q000473:pathology / Q000503:physiopathology; D009886:Ophthalmoplegia / Q000150:complications / Q000473:pathology / Q000503:physiopathology
chemical_list: D002556:Cerebrospinal Fluid Proteins