http://onlinelibrary.wiley.com/doi/10.1002/(SICI)1522-2594(199910)42:4%3C729::AID-MRM15%3E3.0.CO;2-2/abstract (Publisher version)
Chen, X. J., Möller, H. E., Chawla, M. S., Cofer, G. P., Driehuys, B., Hedlund, L. W., et al. (1999). Spatially resolved measurements of hyperpolarized gas properties in the lung in vivo. Part II: T2*. Magnetic Resonance in Medicine, 42(4), 729-737.