title: Direct evidence for a dilator action of carbon dioxide in pulmonary vessels when vascular tone is high.
mesh_terms: D000818:Animals; D002245:Carbon Dioxide / Q000378:metabolism / Q000494:pharmacology*; D066298:In Vitro Techniques; D010101:Oxygen Consumption; D011652:Pulmonary Circulation / Q000187:drug effects*; D051381:Rats; D014665:Vasodilator Agents / Q000494:pharmacology*
chemical_list: D014665:Vasodilator Agents; D002245:Carbon Dioxide