1. and (1992) The natural history of intracpithelial neoplasia in humans with implications for cancer chemoprevention strategy. Cancer Res., April 1 issue, in press.
2. Cancer statistics, 1991
3. and (1978) The adenoma-carcinoma sequence. In: (ed.), The Pathogenesis of Colorectal Cancer, Vol. 10, Philadelphia, PA: W. B. Saunders Co., pp. 58-71.
4. A genetic model for colorectal tumorigenesis