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  • Title: [Epidemiological and etiological aspects of upper digestive hemorrhage. Multicenter study in nine Chilean hospitals (1980-1990)].
    Author: Csendes A, Medina E, Korn O, Rodas J, Mosquera M, Blanco C, Csendes P.
    Journal: Rev Med Chil; 1995 Mar; 123(3):298-305. PubMed ID: 8525168.
    Abstract:
    An epidemiological survey about the incidence of upper gastrointestinal bleeding during three periods (1980, 1985 and 1990), was performed in 9 Chilean hospitals. Its annual incidence decreased in 1990, when compared to 1980. Likewise the etiologies changed, with an increase in the incidence of duodenal ulcers and a decrease in the incidence of erosive gastritis and bleeding of unknown origin in 1990. A seasonal variation with higher bleeding rates in autumn was also recorded.
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