Serum gamma-glutamyl transpeptidase deficiency.
D000217:Acyltransferases / Q000097:blood*; D000328:Adult; D002854:Chromatography, Paper; D005978:Glutathione / Q000378:metabolism*; D006801:Humans; D008607:Intellectual Disability / Q000201:enzymology*; D008297:Male; D008661:Metabolism, Inborn Errors
D000217:Acyltransferases; D005978:Glutathione