Margaret F. Duggan-Keen, Michael D. Brown, Simon N. Stacey and Peter L. Stern

Paterson Institute for Cancer Research, Christie Hospital NHS Trust, Manchester M20 4BX , United Kingdom

Received 7/21/98 Accepted 9/22/98

Send correspondence to:

Dr Peter L. Stern,
Paterson Institute for Cancer Research,
Christie Hospital NHS Trust,
Manchester M20 4BX , United Kingdom.

Tel: 0161 447 3127
Fax: 0161 446 3109
E-mail: pstern@picr.man.ac.uk