Summary
The Forum, held in London on 9 November 1990, was organized by the Medical Research Council's Committee on the Effects of Ionising Radiation (CEIR). Sessions were chaired by Professor D. G. Harnden, and papers were presented by Professors M. H. Kaufman and A. D. Dayan, and Drs D. T. Goodhead, J. D. Harrison, B. I. Lord, R. H. Mole and M. R. Sikov.