RT Journal Article SR Electronic T1 Recirculation Subtraction for Analysis of Left-to-Right Cardiac Shunts: Concise Communication JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1033 OP 1038 VO 22 IS 12 A1 Houser, Thomas S. A1 MacIntyre, William J. A1 Cook, Sebastian A. A1 Go, Raymundo T. A1 Moodie, Douglas S. A1 Ceimo, Joanne A1 Gallagher, Joe H. YR 1981 UL http://jnm.snmjournals.org/content/22/12/1033.abstract AB