RT Journal Article SR Electronic T1 Principles of Imaging by Nuclear Magnetic Resonance JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 371 OP 382 VO 25 IS 3 A1 Jason A. Koutcher A1 Tyler C. Burt YR 1984 UL http://jnm.snmjournals.org/content/25/3/371.abstract AB