RT Journal Article SR Electronic T1 The High Cost of Bad Air JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 531 OP 531 DO 10.3399/bjgp23X735561 VO 73 IS 737 A1 Khan, Nada YR 2023 UL http://bjgp.org/content/73/737/531.abstract AB