RT Journal Article SR Electronic T1 Use of pharmacology in the diagnosis and management of vasomotor and microcirculation disorders JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP heartjnl-2022-321267 DO 10.1136/heartjnl-2022-321267 A1 Johanna McChord A1 Peter Ong YR 2023 UL http://heart.bmj.com/content/early/2023/01/18/heartjnl-2022-321267.abstract AB