RT Journal Article SR Electronic T1 “Delta Sign” in Bone Scan Interpretation—A Cautionary Note JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1229 OP 1230 VO 28 IS 7 A1 Jill V. Hunter A1 I. Fogelman YR 1987 UL http://jnm.snmjournals.org/content/28/7/1229.abstract AB