{"0": "Cognitive impairment", "1": "Mental deterioration", "2": "Dementia", "3": "Horizontal nystagmus", "4": "Biliary tract abnormality", "5": "Myoclonic seizure", "6": "Polyneuropathy", "7": "Optic disc pallor", "8": "Abnormal biliary tract morphology", "9": "Bulbar signs", "10": "Scotoma", "11": "Abnormal retinal artery morphology", "12": "Muscle abnormality related to mitochondrial dysfunction", "13": "Central scotoma", "14": "Abnormality of head blood vessel", "15": "Schizophrenia", "16": "Abnormal activity of mitochondrial respiratory chain", "17": "Mitochondrial myopathy", "18": "Reduced visual acuity", "19": "Respiratory distress", "20": "Abnormal circulating cholesterol concentration", "21": "Hyperintensity of cerebral white matter on mri", "22": "Generalized onset motor seizure", "23": "Poor head control", "24": "Developmental regression", "25": "Impaired vibratory sensation", "26": "Action tremor", "27": "Generalized myoclonic seizure", "28": "Peripheral demyelination", "29": "Progressive visual loss", "30": "Impaired proprioception", "31": "Periventricular white matter hyperintensities", "32": "Postural tremor", "33": "Proximal muscle weakness", "34": "Abnormality of corneal stroma", "35": "Abnormal tissue metabolite concentration", "36": "Progressive neurologic deterioration", "37": "Abnormal circulating lipid concentration", "38": "Functional motor deficit", "39": "Abnormal retinal vascular morphology", "40": "Hypertrophic cardiomyopathy", "41": "Gastrointestinal hemorrhage", "42": "Abnormal social behavior", "43": "Fluctuations in consciousness", "44": "Difficulty walking", "45": "Blindness", "46": "Abnormal chorioretinal morphology", "47": "Abnormal choroid morphology", "48": "Sensorimotor neuropathy", "49": "Choreoathetosis"}