1. Patterson, R. & Anderson, J. J. Am. med. Ass. 248, 2637–2645 (1982).
2. Ahlstedt, S. & Kristofferson, A. Prog. Allergy 30, 67–134 (1982).
3. Ackroyd, J. F. in Clinical Aspects of Immunology 3rd edn (eds Gell, P. G. H., Coombs, R. R. A. & Lachmann, P. J.) 913–961 (Blackwell, Oxford, 1975).
4. Lim, M. & Churchill-Davidson, H. C. Monogr. Anaesthes. 8, 65–136 (1981).
5. Fisher, M. M. & More, D. Anaesth. intensive Care 9, 226–234 (1981).