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. 2017 Dec;246:92–97. doi: 10.1016/j.resp.2017.08.001

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© 2017 The Authors

This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

PMC Copyright notice

Fig. 4 — Sigh frequency and apnea index in conditions of chronic carotid body ablation. When compared to sham-operated rats, sigh frequencies were not different five (A) or ten (B) weeks after carotid body ablation. (C) Summary data showing that apnea index (random events per hour) was significantly higher in rats five weeks after carotid body ablation compared to sham-operated rats. (D) Summary data showing that apnea index remained higher in carotid body ablated rats ten weeks after ablation when compared to sham-operated rats.