RT Journal Article SR Electronic T1 A Non-Mathematical Approach to Basic MRI JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1120 OP 1120 VO 31 IS 6 A1 Tal Laor YR 1990 UL http://jnm.snmjournals.org/content/31/6/1120.2.abstract AB