Short, M D A comparison between monodisperse Tc-99m-labeled aerosol particles and Kr-81m for the assessment of lung function. [electronic resource] - Journal of nuclear medicine : official publication, Society of Nuclear Medicine Mar 1979 - 194-200 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0161-5505 Subjects--Topical Terms: AdultAerosolsAgedCase-Control StudiesFemaleHumansIsotope LabelingKrypton RadioisotopesMaleMiddle AgedPulmonary Disease, Chronic Obstructive--diagnostic imagingRadionuclide ImagingRespiratory Function Tests--methodsSmoking--physiopathologyTechnetiumYoung Adult