1. National Health and Medical Research Council N.H.M.R.C. additional levels of evidence and grades of recommendations for developers of guidelines-Pilot Program 2005 http://www.nhmrc.gov.au/consult/add_levels_grades_dev_guidelines2.htm
2. Council of Europe Resolution ResAP(2003)3E on food and nutritional care in hospitals http://www.coe.int 2003
3. National Institute for Health and Clinical Excellence (NICE) Nutrition support in adults: oral nutrition support, enteral tube feeding and parenteral nutrition (clinical guideline 32) 2006
4. Dietitians Association of Australia. Acting on Obesity Working Party Best practice guideline for the treatment of overweight and obesity in adults. Canberra: Dietitians Association of Australia 2005 http://www.daa.asn.au/files/DINER/Obesity%20Guidelines%20(Final).pdf