*British Journal of Urology* 1995; 76(6):769-774
*Archives of Disease in Childhood* 1995; 72(6):507-515
*British Journal of Dermatology* 1995; 132(4):580-586
*Statistics in Medicine* 1995; 14(2):115-126
*Journal of the Royal Statistical Society: Series C (Applied Statistics)* 1995; 44(2):243-255
*Statistical Methods in Medical Research* 1994; 3(4):383-405
*British Journal of Dermatology* 1994; 130(5):604-609
*Acta Paediatrica* 1994; 83(4):351-356
*Nephrology Dialysis Transplantation* 1994; 9(Suppl 2):176-183
*Clinical Endocrinology* 1993; 38(4):367-372