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Experimental protocol. At birth, pups were exposed to normoxia or hypoxia for the entire experiment. On Day 6 at 0600h, pups were injected with vehicle or aminoglutethimide. On Day 7 at 0600h, pups were injected with vehicle or dexamethasone. Two hours later, some pups within a litter were sampled (Basal). The remaining pups were injected with CRH and sampled 30 min later.
