RT Journal Article SR Electronic T1 Radioimmunoassay of Gut Regulatory Peptides JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 548 OP 549 VO 24 IS 6 A1 William M. Reilly A1 Vay Liang W. Go YR 1983 UL http://jnm.snmjournals.org/content/24/6/548.3.abstract AB