RT Journal Article SR Electronic T1 August Focus JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 562 OP 562 DO 10.3399/bjgp09X453729 VO 59 IS 565 A1 David Jewell YR 2009 UL http://bjgp.org/content/59/565/562.abstract AB