RT Journal Article SR Electronic T1 DIMINISHED SEGMENTATION OR PREMATURE OSSIFICATION OF THE STERNUM IN CONGENITAL HEART DISEASE JF British Heart Journal JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 140 OP 142 DO 10.1136/hrt.23.2.140 VO 23 IS 2 A1 L. Andrén A1 P. Hall YR 1961 UL http://heart.bmj.com/content/23/2/140.abstract AB