1. Altman DG: Practical statistics for medical research. 1991. Chapman and Hall, London.
2. Andersson I: Fasting and withdrawal of management of growing pigs in a simulated emergency situation. Observations on health, behaviour, performance and some blood serum constituents. Swedish J. agrie. Res. 1988, 18, 119–128.
3. Barber AE, Coyle SM, Marano MA, Fischer E, Calvario SE, Fong Y, Moldawer LL, Lowry SF: Glucocorticoid therapy alters hormonal and cytokine responses to endotoxin in man. J. Immunol. 1993, 150, 1999–2006.
4. Barnett JL, WinfieldCG, Cronin GM, MakinAW: Effects of photoperiod and feeding on plasma corticosteroid concentrations and maximum corticos-teroid-binding capacity in pigs. Aust. J. Biol. Sci. 1981, 34, 577–585.
5. Cort N, Fredriksson G, Kindahl H, Edqvist LE, Ry-lander R: A clinical and endocrine study on the effect of orally administered bacterial endotoxin in adult pigs and goats. J. Vet. Med. 1990, A 37, 130–137.