RT Journal Article SR Electronic T1 Considerations for Accurately Measuring Gastric Emptying JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 881 OP 884 VO 32 IS 5 A1 Frederick L. Datz YR 1991 UL http://jnm.snmjournals.org/content/32/5/881.abstract AB