Regional expiratory flow limitation studied with Technegas in asthma.
D000328:Adult; D001249:Asthma / Q000000981:diagnostic imaging / Q000503:physiopathology*; D001980:Bronchi / Q000000981:diagnostic imaging; D016084:Bronchoconstriction / Q000502:physiology*; D016085:Bronchoconstrictor Agents / Q000494:pharmacology; D003952:Diagnostic Imaging; D006801:Humans; D008176:Lung Volume Measurements; D008297:Male; D016210:Methacholine Chloride; D008875:Middle Aged; D010366:Peak Expiratory Flow Rate / Q000502:physiology*; D012129:Respiratory Function Tests; D015656:Respiratory Mechanics / Q000502:physiology; D013670:Sodium Pertechnetate Tc 99m; D013147:Spirometry; D015899:Tomography, Emission-Computed, Single-Photon