RT Journal Article SR Electronic T1 Authors' response JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 51 OP 51 DO 10.3399/bjgp08X263839 VO 58 IS 546 A1 Matthew Hankins A1 Helen Smith YR 2008 UL http://bjgp.org/content/58/546/51.abstract AB