1. Bond, A. and Lader, M. (1974). The use of analogue scales in rating subjective feelings. Br. J. Med. Psychol., 47, 211–18
2. Eisenberg, M. S., Bergner, L. and Hallstrom, A. (1979). Cardiac resuscitation in the community; importance of rapid provision and implementation for programme planning. J. Am. Med. Ass., 241, 1905–7
3. Elking, M. P. and Kabat, H. F. (1968). Drug induced modifications of laboratory test values. Am. J. Hosp. Pharm., 25, 485–519
4. Fagan, T. C., Sawyer, P. R., Gourley, L. A., Lee, J. T. and Gaffney, T. E. (1986). Postprandial alterations in haemodynamics and blood pressure in normal subjects. Am. J. Cardiol., 58, 636–641
5. Francis, G. R., McClelland, G. R. and Pettitt, K. E. E. (1986). Measurement of body sway using ultrasound. Br. J. Clin. Pharm., 21, 123P