RT Journal Article SR Electronic T1 Transient Mitral Regurgitation: An Adjunctive Sign of Myocardial Ischemia During Dipyridamole-Thallium Imaging JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1271 OP 1272 VO 30 IS 7 A1 Jean Lette A1 André Gagnon A1 Jacques Lapointe A1 Michel Cerino YR 1989 UL http://jnm.snmjournals.org/content/30/7/1271.abstract AB