RT Journal Article SR Electronic T1 Haemodynamic changes in pregnancy: what can we learn from combined datasets? JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 490 OP 491 DO 10.1136/heartjnl-2015-309166 VO 102 IS 7 A1 Henry Boardman A1 Oliver Ormerod A1 Paul Leeson YR 2016 UL http://heart.bmj.com/content/102/7/490.abstract AB