RT Journal Article SR Electronic T1 Limitations of antiplatelet documentation in database JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 346 OP 346 DO 10.1136/heartjnl-2018-314296 VO 105 IS 4 A1 Ioannis Merinopoulos A1 Alisdair Ryding YR 2019 UL http://heart.bmj.com/content/105/4/346.abstract AB