507278.fig.001
Figure 1: Effects of different doses (0–400 mg/kg/day) of methylsulfonylmethane (MSM) on the reduced to oxidized glutathione (GSH/GSSG) in rats with monocrotaline- (MCT-) induced pulmonary hypertension (regression coefficient , ). Data are means , . Significant Tukey's post hoc differences compared with controls are indicated by asterisks ( and ).