Figure 2From: Mechanism of nitrogen metabolism-related parameters and enzyme activities in the pathophysiology of autismPercentage increase in creatine (Cr), nitric oxide (NO), 5'-nucleotidase (5'-NT), ammonia (NH 3 ), gamma-aminobutyric acid (GABA), and glutamate:glutamine (Glu:Gln) ratio in patients with autism compared with controls.Back to article page