TY - JOUR T1 - Correction JF - British Journal of General Practice JO - Br J Gen Pract SP - 366 LP - 366 DO - 10.3399/bjgp08X280326 VL - 58 IS - 550 A2 - , Y1 - 2008/05/01 UR - http://bjgp.org/content/58/550/366.abstract N2 - In the April 2008 issue of the BJGP we incorrectly published the key … ER -