1. Pennington CR. Disease and malnutrition in British hospitals. Proc Nutr Soc 1997; 56: 393–407.
2. McWhirter JP, Pennington CR. The incidence and recognition of malnutrition in hospital. BMJ 1994; 308: 945–8.
3. Giner M. In 1995 a correlation still exists between malnutrition and poor outcome in critically ill patients. Nutrition 1996; 12: 23–9.
4. Pennington C, Powell-Tuck J, Shaffer J. Review article: artificial nutritional support for improved patient care. Aliment PharMACol Ther 1995; 9: 471–81.
5. Windsor JA, Hill GL. Risk factors for post operative pneumonia: the importance of protein depletion. Ann Surg 1988; 17: 181–5.
6. Jeejeebhoy KN. Muscle function and nutrition. Gut 1986; 27: 25–39.
7. Arora NS, Rochester DF. Respiratory muscle strength and maximal voluntary ventilation in undernourished patients. Am Rev Respir Dis 1982; 126: 5–8.
8. Heymsfield SB. Cardiac abnormalities in cachectic patients before and during nutritional repletion. Am Heart J 1978; 95: 584–95.
9. McWhirter JP, Pennington CR. A comparison between oral and nasogastric supplements in malnourished patients. Nutrition 1996; 12: 502–6.
10. Beier-Holgersen SR, Boesby S. Influence of postoperative enteral nutrition on post surgical infections Gut 1996; 39: 833–5.
11. Bastow MD, Rawlings J, Allison SP. Benefits of supplementary tube feeding after fractured neck of femur: a randomised control trial. BMJ 1993; 287: 1589–92.
12. Delmi M, Rapin CH, Bengoa JM, Delmas PD et al. Dietary supplementation in elderly patients with fractured neck of femur. Lancet 1990; 335: 1013–6.
13. Larsson J, Unosson M, Ek AC, Nilsson L et al. Effect of dietary supplement on nutritional status and clinical outcome in 501 geriatric patients: a randomised study. Clin Nutr 1990; 9: 179–84.
14. Von Meyenfeld MF, Meijerink WJHJ, Rouflard MJ et al. Perioperative nutritional support: a randomised clinical trial Clin Nutr 1992; 11: 180–6.
15. Askanazi J, Starker PN, Olsson C et al. Effect of immediate post-operative nutritional support on the length of hospitalisation. Ann Surg 1986; 203: 236–9.
16. Keele AM, Bray M, Emery P et al. Two phased randomised controlled clinical trial of postoperative dietary supplements in surgical patients. Gut 1997; 40: 393–9.
17. Edington J, Keon P, Martyn CN. Prevalence of malnutrition in patients in general practice. Clin Nutr 1996; 15: 60–3.
18. Robinson G, Goldstein M, Levine G. Impact of nutritional status on DRG length of stay. JPEN 1987; 11: 49–51.
19. Heymsfield SB, McManus C, Smith J et al. Anthropometric measurement of muscle mass: revised equations for calculating bone free arm muscle area. Am J Clin Nutr 1982; 36: 680–90.
20. Brazier JE, Harper R, Jones NMB et al. Validating the SF-36 health survey questionnaire: new outcome measure for primary care. BMJ 1992; 305: 160–4.
21. A.S.P.E.N. Board of Directors. Guidelines for the use of parenteral and enteral nutrition in adult and paediatric patients. Parenter Enteral Nutr 1993; 17 (suppl. 4).
22. Jenson MB, Hessov IB. Dietary supplementation at home improves the regain of lean body mass after surgery. Nutrition 1997; 13: 422–30.
23. Potter J, Langhorne P, Roberts M. Routine protein energy supplementation in adults: systematic review. BMJ 1998; 317: 495–501.
24. Rana SK, Bray J, Menzies-Gow N et al. Short term benefits of post operative oral dietary supplements in surgical patients. Clin Nutr 1992; 11: 337–44.
25. Christie PM, Hill GL. Effect of intravenous nutrition on nutrition and function in acute attacks of inflammatory bowel disease. Gastroenterology 1990; 99: 730–6.
26. Stratton RJ, Elia M. A critical systemic analysis of the use of oral nutritional supplements in the community. Clin Nutr 1999; 18: 29–84.

A.H.Beattie, A.T.Prach, J.P.Baxter, C.R.Pennington