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Membrane depolarization (mean±SEM) caused by 20 mM KCl (A) or 0% O2 (B) in glomus cells from hyperoxia-exposed (60% O2) or normoxia-reared rat pups. White bar = normoxia, gray bar = hyperoxia exposure. Statistical significance: p<0.05 (*), p<0.01 (**), p<0.001 (***), Hyperoxia P1-P8 different from normoxia group at P8 (P<0.01, ‡).
