title: Regulation of regional perfusion distribution in the lungs: effect of regional oxygen concentration.
mesh_terms: D000818:Animals; D002245:Carbon Dioxide / Q000097:blood; D003714:Denervation; D004285:Dogs; D006371:Helium / Q000097:blood; D000860:Hypoxia; D008168:Lung / Q000098:blood supply / Q000294:innervation; D009584:Nitrogen / Q000097:blood; D010100:Oxygen / Q000097:blood; D012119:Respiration; D014666:Vasomotor System / Q000502:physiology*; D014692:Ventilation-Perfusion Ratio
chemical_list: D002245:Carbon Dioxide; D006371:Helium; D009584:Nitrogen; D010100:Oxygen