RT Journal Article SR Electronic T1 Positive Technetium-99m-Red Blood Cell Gastrointestinal Bleeding Scan after Barium Small-Bowel Study JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 643 OP 643 VO 37 IS 4 A1 Rehm, Patrice K. A1 Atkins, Frank B. A1 Ziessman, Harvey A. YR 1996 UL http://jnm.snmjournals.org/content/37/4/643.abstract AB