Fig. 6From: Macitentan attenuates cardiovascular remodelling in infant rats with chronic lung diseaseRepresentative microscopic photographs of heart sections of A FiO2 0.21-placebo, (mean RV/LV ratio 0.36; standard deviation 0.02), B FiO2 0.21-macitentan (0.35; 0.01), C FiO2 1.0-placebo (0.53; 0.03), and D FiO2 1.0-macitentan (0.41; 0.03), respectively. RV: right ventricle; LV: left ventricle. Magnification × 1.25Back to article page