Haematemesis in the African: a comparison of the two main causes after a ten year interval.
D000328:Adult; D000351:Africa, Eastern; D000368:Aged; D005006:Ethnicity; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000150:complications; D006396:Hematemesis / Q000453:epidemiology / Q000209:etiology*; D006801:Humans; D008103:Liver Cirrhosis / Q000150:complications; D008297:Male; D008875:Middle Aged; D010437:Peptic Ulcer / Q000150:complications; D013997:Time Factors