RT Journal Article SR Electronic T1 Abstracts of Current Literature JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 671 OP 673 VO 17 IS 7 A1 John Coupal A1 Andrew Fried A1 Guy Simmons YR 1976 UL http://jnm.snmjournals.org/content/17/7/671.abstract AB