syndromes which have been culled out include congenital lactic acidosis , leigh disease , intermittent ataxia , kearns-sayre-shy syndrome ( kss ) , myoclonus epilepsy with ragged red fibers ( merrf ) , and mitochondrial myopathy-encephalopathy-lactic acidosis-stroke ( melas ) .
C0039082
syndromes
C0022541
kearns-sayre