“…20,21 Many specialties have produced and promoted standardised referral letters, guidelines and referral criteria, plus or minus specific education for GPs, 2,14,26,27,32 as a means to improve referral information. There has been some success with the use of structured forms; 15,16 however, the results are equivocal 19 and passive dissemination of guidelines has not been found to be an effective strategy to improve referral information. 2,11,13,33,34 Additionally, this approach leads to an unwieldy proliferation of national and local guidelines.…”