TY - GEN AU - Iversen,E AU - Bonnevie,O AU - Anthonisen,P AU - Riis,P TI - An epidemiological model of ulcerative colitis SN - 0036-5521 PY - 1969///0830 KW - Aged KW - Chronic Disease KW - Colitis, Ulcerative KW - diagnosis KW - Denmark KW - Female KW - Humans KW - Life Expectancy KW - Male KW - Middle Aged KW - Models, Theoretical KW - Population Surveillance N1 - Publication Type: Journal Article ER -