RT Journal Article SR Electronic T1 Evaluating the Significance of Changes in Brain SPECT JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 828 OP 829 VO 38 IS 5 A1 Dan G. Pavel A1 J.D. Van Horn YR 1997 UL http://jnm.snmjournals.org/content/38/5/828.3.abstract AB