RT Journal Article SR Electronic T1 Pancreatic Scanning Using Retrograde Injection of Technetium-99m-Labeled Compounds JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 676 OP 679 VO 18 IS 7 A1 Paul F. Varley A1 Stephen E. Silvis A1 Rex B. Shafer YR 1977 UL http://jnm.snmjournals.org/content/18/7/676.abstract AB