title: Response of avian intrapulmonary smooth muscle to changes in carbon dioxide concentration.
mesh_terms: D000403:Airway Resistance; D000818:Animals; D001285:Atropine / Q000494:pharmacology; D001794:Blood Pressure; D001916:Brachial Artery / Q000502:physiology; D001980:Bronchi / Q000187:drug effects*; D002245:Carbon Dioxide / Q000494:pharmacology*; D004372:Ducks / Q000502:physiology*; D005777:Geese / Q000502:physiology*; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects; D010812:Physical Stimulation; D012119:Respiration; D014630:Vagus Nerve / Q000502:physiology
chemical_list: D002245:Carbon Dioxide; D001285:Atropine