RT Journal Article SR Electronic T1 Atrial fibrillation: time for active case finding JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 58 OP 59 DO 10.3399/bjgp19X700985 VO 69 IS 679 A1 John Robson A1 Richard Schilling YR 2019 UL http://bjgp.org/content/69/679/58.abstract AB