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. 2013 May 7;8(5):e60850. doi: 10.1371/journal.pone.0060850

Figure 2. Concentration-dependent vasorelaxation responses to ACh (A) and NaNO2 (B) in pulmonary artery segments isolated from rats exposed to normoxia, chronic hypoxia for 2 wk and chronic hypoxia for 2 wk+U50,488H.

Figure 2

Con: Control (normoxic group); 2 w: hypoxia for 2 wk; U50: U50,488H (1.25 mg/kg). n = 10 vascular segments/group from 5 rats. **P<0.01 vs. Con; # P<0.05, # # P<0.01 vs. 2 w.