>> Clinical practice guidelines. British Society of Gastroenterology>> CMA (Canadian Medical Association): clinical practice guidelines
>> Colaboración AGREE
Instrumento para la evaluación de guías de práctica clínica
>> Guidelines International Network (GIN)
>> National electronic Library for Health. Guidelines Finder
>> National Guidelines Clearinghouse (AHCPR-USA)
>> New Zealand Guidelines Group
>> Royal College of Physicians. Clinical guidelines
>> Scottish Intercollegiate Guidelines Network. Clinical Guidelines.
