title: [A new imaging of pulmonary ventilation using nitrogen-13 and positron emission tomography (PET)].
mesh_terms: D001991:Bronchitis / Q000000981:diagnostic imaging / Q000503:physiopathology; D005740:Gases; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging*; D009590:Nitrogen Radioisotopes; D011656:Pulmonary Emphysema / Q000000981:diagnostic imaging / Q000503:physiopathology; D011659:Pulmonary Gas Exchange; D012119:Respiration; D014055:Tomography, Emission-Computed
chemical_list: D005740:Gases; D009590:Nitrogen Radioisotopes