In the face of a perceived lack of widespread understanding of the theoretical issues underlying the development, dissemination and implementation of clinical guidelines, the Royal College of General Practitioners Guidelines Group developed a 2-day course aimed at teaching the theory in these areas. The course was targeted at potential opinion formers and ran on six occasions. Postal questionnaire assessment of the course revealed high levels of satisfaction with all aspects of the course and high levels of reported use of the (...) knowledge gained. Further developments of the course are discussed. (shrink)