title: Regional distribution of pulmonary ventilation and perfusion in the conscious dog.
mesh_terms: D000818:Animals; D002245:Carbon Dioxide; D004285:Dogs / Q000502:physiology*; D006207:Half-Life; D006339:Heart Rate; D007726:Krypton; D008168:Lung / Q000502:physiology*; D011652:Pulmonary Circulation; D012123:Pulmonary Ventilation; D011868:Radioisotopes; D012149:Restraint, Physical / Q000662:veterinary; D013990:Tidal Volume / Q000662:veterinary; D014692:Ventilation-Perfusion Ratio
chemical_list: D011868:Radioisotopes; D002245:Carbon Dioxide; D007726:Krypton