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Heart rate, mean arterial blood pressure (MAP), and frequency of breathing (Frequency) values before (time 0), during one episode of hypoxia (10% O2, 90% N2 for 90 s), and following return to room air (posthypoxia) before and after bilateral transection of the carotid sinus nerves (post-CSNX). There were 6 rats in the group. Data are presented as means ± SE. *P < 0.05, significant change from time 0 based on arithmetic differences.
