High-Quality Ventilation Imaging of the Human Lung Using 100 Ml of Helium-3

Keywords

achieve acquisition addition adult adults alkali alternative approved approximately assessment attributed balanced biomedical board built capacity central chest clinical close coil collisional combination combining commonly consent containing coronal custom decline decrease density depiction described details dimensional distribution dose efficiency engineering equal exchange fitting five flexible fold forced good grade gradient gradual grant healthy helium highest human hybrid impetus include increasing informed inhaled inhomogeneity institutional intensity investigators john least lowest lung measured medical metals miller minimizing mixture nitrogen noise optical optically optimizing permit physician physics polarization polarizations polarized potassium preliminary price protocol providing pulse pumped pumping quality radiology receive recent recently reduce reported representative required review roughly routinely rubidium several slice solutions sought spin spoiled steady steep straightforward studies subject subjects substantial sufficient supply supported system technical third transmit typically vapor variations ventilation vital volume ways wild yield yielded