RT Journal Article SR Electronic T1 February Focus JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 74 OP 74 DO 10.3399/bjgp08X263983 VO 58 IS 547 A1 Jewell, David YR 2008 UL http://bjgp.org/content/58/547/74.abstract AB