RT Journal Article SR Electronic T1 Loopholes JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 450 OP 450 DO 10.3399/bjgp08X302916 VO 58 IS 551 A1 Emyr Gravell YR 2008 UL http://bjgp.org/content/58/551/450.abstract AB