RT Journal Article SR Electronic T1 October Focus JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 714 OP 714 DO 10.3399/bjgp09X472548 VO 59 IS 567 A1 David Jewell YR 2009 UL http://bjgp.org/content/59/567/714.abstract AB