title: Hyperpolarized helium 3 diffusion imaging of the lung.
authors.forename: John R
authors.initials: JR
authors.lastname: Mayo
authors.forename: Michael E
authors.initials: ME
authors.lastname: Hayden
mesh_terms: D001249:Asthma / Q000175:diagnosis; D003287:Contrast Media; D006371:Helium; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000175:diagnosis*; D008279:Magnetic Resonance Imaging / Q000379:methods*; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis; D011656:Pulmonary Emphysema / Q000175:diagnosis; D012123:Pulmonary Ventilation
chemical_list: D003287:Contrast Media; D006371:Helium