title: Estimation of distributions of ventilation/perfusion ratios.
mesh_terms: D001698:Biomedical Engineering; D001784:Blood Gas Analysis; D006801:Humans; D008168:Lung / Q000502:physiology*; D008433:Mathematics; D005741:Noble Gases; D011650:Pulmonary Alveoli / Q000098:blood supply; D011659:Pulmonary Gas Exchange; D012044:Regression Analysis; D014692:Ventilation-Perfusion Ratio
chemical_list: D005741:Noble Gases