Long-Time-Scale Hyperpolarized Helium-3 Diffusion MRI: Global Versus Regional Measurements

Keywords

abnormal achieve active actively addition advertisement allergies almost anterior asthma attendant axial basis breath capacity chronic coil collected collisional commercial commonly community considering consisted control controls correlated correlates cost criteria decreased defined demographic described despite determine diffusion disease displayed distinguish distinguished dose early emphysematous encoding enough enrolled entire exchange exclusion expected expensive exposure flexible flight forced former gender global grants healthy height helium history holds hospitalization hybrid important institute integrated investigated john keeping lack lasting least local long longer lung maps measure measured measuring medical model modified mostly never next nicely nuclear occasional pack package personal plots pneumonia polarized posterior predicted prior pulse radiology ranging recent recruited regional reported requirements requiring risk scale scanner secondhand self sensitive sensitivity sensitization series short sliced slightly smoke smoked smoker smokers smoking solutions sonata spin stimulated strongly studies subjects substitute suffers suggested symptoms system table teams versus vital volume whether woods years