title: Production of 13N-molecular nitrogen for pulmonary position scintigraphy.
mesh_terms: D007553:Isotope Labeling / Q000379:methods; D009584:Nitrogen; D009590:Nitrogen Radioisotopes; D011877:Radionuclide Imaging; D012129:Respiratory Function Tests
chemical_list: D009590:Nitrogen Radioisotopes; D009584:Nitrogen