RT Journal Article SR Electronic T1 May Focus JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 314 OP 314 DO 10.3399/bjgp09X420536 VO 59 IS 562 A1 David Jewell YR 2009 UL http://bjgp.org/content/59/562/314.abstract AB