1. Fürst P and Stehle P (1994) Are intravenous amino acid solutions unbalanced? New Horizons 2:215–223
2. Fürst P (1994) New parenteral substrates in clinical nutrition. Part I. Introduction. New substrates in protein nutrition. Eur J Clin Nutr 48:607–616
3. Fürst P (1998) Old and new substrates in clinical nutrition. J Nutr 128:789–796
4. O’Dwyer ST, Smith R j, Kripke S A, Settle R G and Rombeau J L (1990) New fuels for the gut. In: Rombeau J L and Caldwell M D (eds) Clinical nutrition: enteral and tube feeding. Sounders Co., Philadelphia. pp. 540–555
5. Lin E, Goncalves JA and Lowry SF (1998) Efficacy of nutritional pharmacology in surgical patients. Curr Opin Clin Nutr Met Care 1:41–50