RT Journal Article SR Electronic T1 Contributions of intramyocardial sinusoids in pulmonary atresia and intact ventricular septum to a right-sided circular shunt. JF British Heart Journal JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 1061 OP 1065 DO 10.1136/hrt.36.11.1061 VO 36 IS 11 A1 R M Freedom A1 D P Harrington YR 1974 UL http://heart.bmj.com/content/36/11/1061.abstract AB