RT Journal Article SR Electronic T1 R & R JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 695 OP 695 DO 10.3399/bjgp10X515539 VO 60 IS 578 A1 Peter JM Davis YR 2010 UL http://bjgp.org/content/60/578/695.abstract AB