RT Journal Article SR Electronic T1 Flattening the curve in COVID-19 using personalised protective equipment: lessons from air pollution JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 1286 OP 1288 DO 10.1136/heartjnl-2020-317104 VO 106 IS 17 A1 Sanjay Rajagopalan A1 Sui Huang A1 Robert D Brook YR 2020 UL http://heart.bmj.com/content/106/17/1286.abstract AB