Hyperpolarized 129Xe MR Imaging of Alveolar Gas Uptake in Humans Cleveland, Zackary I. ; Cofer, Gary P. ; Metz, Gregory ; Beaver, Denise ; Nouls, John ; Kaushik, S. Sivaram ; Kraft, Monica ; Wolber, Jan ; Kelly, Kevin T. ; McAdams, H. Page ; Driehuys, Bastiaan Abstract Publication: PLoS ONE Pub Date: August 2010 DOI: 10.1371/journal.pone.0012192 Bibcode: 2010PLoSO...512192C