[Cardiac symptom as major presentation of mitochondrial disease: two cases report].
Niu
Qi
Q
Huang
Yuan-zhu
YZ
Hou
Xi-de
XD
D000328:Adult; D005260:Female; D006331:Heart Diseases / Q000209:etiology*; D006801:Humans; D008297:Male; D028361:Mitochondrial Diseases / Q000150:complications*; D055815:Young Adult