RT Journal Article SR Electronic T1 Continuous murmur through atrial septal defect JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 613 OP 613 DO 10.1136/heart.83.6.613 VO 83 IS 6 A1 IGA, KANJI A1 KONDO, HIROKAZU A1 IZUMI, CHISATO A1 KONISHI, TAKASHI YR 2000 UL http://heart.bmj.com/content/83/6/613.abstract AB