Key points are not available for this paper at this time.
1From the Alfred Hospital & Baker Medical Research Institute, Melbourne, Australia. 2Requests for reprints to Professor Garry L.R. Jennings, Alfred & Baker Medical Unit, Baker Medical Research Institute, Commercial Road, Prahran, Melbourne, VIC 3181, Australia. Received 3 April 1997 Accepted 4 April 1997
Garry Jennings (Sun,) studied this question.