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. Author manuscript; available in PMC: 2016 May 22.
Published in final edited form as: Neonatology. 2015 May 22;108(1):65–72. doi: 10.1159/000380758

Figure 2.

Figure 2

Airway responses to methacholine challenge in the in vitro living lung slice preparation in P21 mice [A-B] that received one week of neonatal (P1-7) hyperoxia (40% or 70% O2). Measurements were made on similar size airways in each of five pups for each treatment group [C]. Note: there was an augmented airway constriction in 40% O2 exposed mice compared to control, whereas 70% exposure had no effect on airway reactivity. *significant difference from control mice (p<0.05) [m±SEM; 1 μm=0.39 pixels].