RT Journal Article SR Electronic T1 Collaboration JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 438 OP 438 DO 10.3399/bjgp08X302790 VO 58 IS 551 A1 Francesco Carelli YR 2008 UL http://bjgp.org/content/58/551/438.1.abstract AB