Changing incidence of peptic ulcer--facts or artefacts? A cohort study from Tromsø
STUDY OBJECTIVE--The aim was to estimate the age and sex specific incidences of duodenal and gastric ulcers censored for death and migration. DESIGN--A population based cohort was followed seven years through records of x ray examinations, endoscopies, and operations in the only hospital serving the...
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Veröffentlicht in: | Journal of epidemiology and community health (1979) 1992-08, Vol.46 (4), p.433-436 |
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Sprache: | eng |
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