Skip to main content
. 2022 Jul 11;13:936106. doi: 10.3389/fimmu.2022.936106

Figure 6.

Figure 6

Arginine and citrulline metabolic pathways and observed changes in COVID-19 patients. BH4, Tetrahydrobiopterin; BH2, Dihydrobiopterin; B6, Pyridoxine; HS, Healthy subjects; PHE, Phenylalanine; TYR, Tyrosine.