Flexible sigmoidoscopy or colonoscopy as a screening modality for colorectal adenomas in older age groups? Findings in a cohort of the normal population aged 63-72 years.

Autor: Thiis-Evensen, E., Hoff, G. S., Sauar, J., Majak, B. M., Vatn, M. H.
Zdroj: Gut; Dec1999, p834-839, 6p, 5 Charts, 1 Graph
Databáze: Complementary Index