1. Adami HO, Bergkvist L, Krusemo UB, et al. Breast cancer as a risk for other primary diseases: a nationwide cohort study. J Natl Cancer Inst 43:77–86, 1984.
2. Allison JE, Feldman R, Tekawa IS. Hemoccult screening in detecting colorectal neoplasms: sensitivity, specificity and predictive value. Long-term follow-up in a large group practice setting. Ann Int Med 112:328–333, 1990.
3. Armbrecht U, Manus B, Bragelmann R, et al. Screening for colorectal neoplasia (CRN): comparison of two methods. Gastroenterology 108:A446, 1995.
4. Armitage NC, Farrands PA, Mangham CM, et al. Faecal occult blood screening of first degree relatives of patients with colorectal cancer. Int J Colorect Dis 1:248–250, 1986.
5. Atkin WS, Morson BC, Cuzick J. Long-term risk of colorectal cancer after excision of rectosigmoid adenomas. N Engl J Med 326:658–662, 1992.