Fig. 1From: Hyperoxia-induced lung structure–function relation, vessel rarefaction, and cardiac hypertrophy in an infant rat modelBody weight gain from DOL 5 to 19. Curves with white and grey circles indicate the normoxic and FiO2 0.6 (a), FiO2 0.8 (b), and FiO2 1.0 (c) groups, respectively. Asterisk displays a significant difference on DOL 19 between study groups, p < 0.05Back to article page