Research Article

Evidence on the Heroin-Mediated Impairment of the Oxidative Status of Erythrocytes

Figure 1

Comparative analysis of serum (a) methemoglobin concentration ([Met-Hb]) and (b) methemoglobin ratio to total hemoglobin between chronic heroin-addicted subjects and control subjects. Results are presented as mean ± SEM in milligram per milliliter (mg/mL). indicates a significant comparative analysis with .