Selective brain cooling after bilateral superior cervical sympathectomy in sheep (Ovis aries)
Mark J. M. Nijland, Duncan Mitchell and Graham Mitchell
...hypothalamic temperture during all procedures. Respiratory rate was also depressed by the sympathectomy, apparently mainly as a result of a decrease in nasal airway patency...
Pflügers Archiv European Journal of Physiology, Volume 417, Number 4 / December, 1990