RT Journal Article SR Electronic T1 Thallium-201 for Myocardial Imaging: Appearance of the Normal Heart JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 843 OP 843 VO 17 IS 9 YR 1976 UL http://jnm.snmjournals.org/content/17/9/843.abstract AB