RT Journal Article SR Electronic T1 Reference invasive tests of microvascular injury in myocardial infarction JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 90 OP 92 DO 10.1136/heartjnl-2017-311695 VO 104 IS 2 A1 Annette Marie Maznyczka A1 Peter McCartney A1 Colin Berry YR 2018 UL http://heart.bmj.com/content/104/2/90.abstract AB