RT Journal Article SR Electronic T1 Early Friends of Nuclear Magnetic Resonance—Reply JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 437 OP 437 VO 27 IS 3 A1 William J. MacIntyre YR 1986 UL http://jnm.snmjournals.org/content/27/3/437.3.abstract AB