Ulcerative colitis in Finland. II. One-year incidence in all hospitals.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003093:Colitis, Ulcerative / Q000453:epidemiology*; D005387:Finland; D006760:Hospitalization; D006761:Hospitals; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008875:Middle Aged; D012424:Rural Population; D012737:Sex Factors; D014505:Urban Population