Fig 10. Levels of nitric oxide and arginase in the infected BALB/c by L. major treated with different Urtica dioica extract concentrations; (A) Arginase level (mU/ml) quantified by microplate method; (B) NO production (μM) measured using Griess assay; Data have been reported as the mean ± SD of three independent experiments (*P < 0.05, **P < 0.01, ***P < 0.001).
