RT Journal Article SR Electronic T1 Gear change: supporting and encouraging cycling on prescription JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 59 OP 59 DO 10.3399/bjgp21X714917 VO 71 IS 703 A1 Timothy E Yeo YR 2021 UL http://bjgp.org/content/71/703/59.2.abstract AB