title: Sympathetic versus parasympathetic nervous regulation of airways in dogs.
mesh_terms: D000818:Animals; D001980:Bronchi / Q000502:physiology; D001995:Bronchography; D003250:Constriction; D004285:Dogs; D004558:Electric Stimulation; D007545:Isoproterenol / Q000494:pharmacology; D009476:Neurons, Efferent / Q000033:anatomy & histology; D009638:Norepinephrine / Q000494:pharmacology; D011433:Propranolol / Q000494:pharmacology; D012143:Respiratory Physiological Phenomena; D012137:Respiratory System / Q000033:anatomy & histology / Q000294:innervation*; D013564:Sympathetic Nervous System / Q000502:physiology*; D014630:Vagus Nerve / Q000502:physiology*
chemical_list: D011433:Propranolol; D007545:Isoproterenol; D009638:Norepinephrine