[4-year-old boy with chronic progressive deterioration since infancy].
D001921:Brain / Q000473:pathology; D001927:Brain Diseases / Q000201:enzymology / Q000473:pathology*; D002675:Child, Preschool; D006801:Humans; D008297:Male; D011768:Pyruvate Dehydrogenase Complex / Q000378:metabolism
D011768:Pyruvate Dehydrogenase Complex