title: LUNG DENSITOMETRY IN THE STUDY OF PULMONARY VENTILATION AND CIRCULATION.
mesh_terms: D003720:Densitometry; D006801:Humans; D008168:Lung; D011652:Pulmonary Circulation; D012123:Pulmonary Ventilation; D013902:Radiography, Thoracic; D012129:Respiratory Function Tests
keywords: DENSITOMETRY; LUNG; PULMONARY CIRCULATION; RESPIRATORY FUNCTION TESTS; THORACIC RADIOGRAPHY