1. Esteve J, Kricker A, Ferlay J, Parkin DH. Facts and Figures on Cancer in the European Community. Lyon, IARC, 1993.
2. Berrino F, Sant M, Verdecchia A, Capocaccia R, Hakulinen T, Esteve J. Survival of cancer patients in Europe. The EUROCARE study. IARC scientific publications no. 132. Lyon, IARC, 1995.
3. Secondary prevention of cancer: an overview;Eddy;Bull WHO,1986
4. Trends in mortality form cervical cancer in the Nordic countries: association with organized screening program;Laara;Lancet,1987
5. Faecal occult blood tests: choice, usage and clinical applications;Young;Clin Biochem Rev,1992