RT Journal Article SR Electronic T1 March Focus JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 146 OP 146 DO 10.3399/bjgp08X277221 VO 58 IS 548 A1 Jewell, David YR 2008 UL http://bjgp.org/content/58/548/146.abstract AB