title: Ventilation distribution in anatomical lung units.
mesh_terms: D000818:Animals; D002404:Catheterization; D004285:Dogs; D006321:Heart / Q000502:physiology; D009584:Nitrogen; D011650:Pulmonary Alveoli; D012123:Pulmonary Ventilation; D012119:Respiration; D014132:Trachea
chemical_list: D009584:Nitrogen