title: Topography of ventilation and perfusion.
mesh_terms: D001696:Biomechanical Phenomena; D003964:Diaphragm / Q000502:physiology*; D006801:Humans; D008176:Lung Volume Measurements; D011187:Posture; D012119:Respiration; D012133:Respiratory Paralysis / Q000503:physiopathology*; D014692:Ventilation-Perfusion Ratio