*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
*Cancer Chemotherapy and Pharmacology* 1995; 36(1):53-60
*Statistical Methods in Medical Research* 1994; 3(4):383-405
*Cancer Research* 1994; 54(20):5251-5254
*Pediatric Hematology and Oncology* 1994; 11(2):157-163
*Journal of Medical Genetics* 1994; 31:448-452
*British Journal of Dermatology* 1994; 130(5):604-609
*Archives of Disease in Childhood* 1994; 70(5):387-390