the activity of phosphofructokinase ( pfk ) , citrate synthetase ( cs ) , lactate dehydrogenase ( ldh ) , 3-oh-coa dehydrogenase ( acdh ) and cytochrome-c-oxidase ( cyt-ox ) was measured in right atrial auricle and abdominal rectal muscle biopsies from 24 children , aged 3-12 years , with congenital heart malformations .
C0022917
lactate
C0030016
dehydrogenase