Clinical Guidelines Task Force. Guide for guidelines: a guide for clinical guideline development.Brussels (Belgium): International Diabetes Federation; 2003. Available: www.idf.org/webdata/docs/Guide%20for%20Guidelines.pdf (accessed September 1, 2008).
OortwijnWBantaHDCranovskyR.Introduction: mass screening, health technology assessment, and health policy in some European countries. Int J Techol Assess Health Care2001; 17 (3): 269–74.