Elevated Short-Time-Scale Hyperpolarized Helium-3 Diffusion in Secondhand Smokers

Keywords

addition alterations although alveolar assessed association attendant axial biomedical bottom breath cancers cardiovascular certain characteristic cigarette clinical coil collected collisional commercial control controls detected determine development difficult diffusion diluted disease distribution distributions dose elevated emphysema engineering establish examples exchange expected exposed exposure fain flexible flight grants hand healthy helium heterogeneous hold hybrid illustrated indicated individuals inhaled institute interestingly investigating john lasting linked long longer lung many maps measured measuring medical model modified morphology never nitrogen noisier nuclear occasional package patients play plots polarized primary progression pulse radiology reasons refs regular regularly remained representative risk role scale scanner secondhand short significantly slice smoke smoked smoker smokers smoking solutions sonata spin stimulated structural structures studied subject subjects suspect system vary ventilation whether years