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. 2010 Jul 9;182(10):1239–1250. doi: 10.1164/rccm.200909-1361OC

Figure 4.

Figure 4.

Quantification of (A) mean linear intercept, (B) alveolar crest, (C) number of pulmonary vessels, and (D) medial wall thickness determined on paraffin sections after late treatment and recovery on Days 9 (open bars) and 18 (solid bars) in room air (RA) and O2-exposed pups (O2) daily injected either with saline, apelin, Nω-nitro-l-arginine methyl ester (l-NAME), or a combination of apelin and l-NAME. Values are expressed as mean ± SEM (n = 8). ***P < 0.001 versus age-matched O2-exposed control pups. ΔΔΔP < 0.001 versus own RA control pups. $P < 0.05, $$P < 0.01, $$$P < 0.001 versus apelin-treated O2 pups. δP < 0.05, δδP < 0.01, δδδP < 0.001 versus own treatment control pups in hyperoxic period. nd = not determined.