RT Journal Article SR Electronic T1 Septal Perfusion in Left Bundle Branch Block—Reply JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 2007 OP 2007 VO 38 IS 12 A1 Nagara Tamaki A1 Hideki Sugihara YR 1997 UL http://jnm.snmjournals.org/content/38/12/2007.1.abstract AB