Hristova, L.; Hakama, M. (1997-01-01). "Effect of screening for cancer in the Nordic countries on deaths, cost and quality of life up to the year 2017". Acta Oncologica. 36 Suppl 9: 1–60. ISSN0284-186X. PMID9143316.
Hristova, L.; Hakama, M. (1997-01-01). "Effect of screening for cancer in the Nordic countries on deaths, cost and quality of life up to the year 2017". Acta Oncologica. 36 Suppl 9: 1–60. ISSN0284-186X. PMID9143316.