Presentation of CaseA 39-year-old man was admitted to the hospital because of melena and abdominal pain.He was well until one month earlier, when he began to experience intermittent bouts of pain in the right lower abdominal quadrant; the pain was noncrampy and without radiation, with no clear precipitating cause, and resolved spontaneously in 20 minutes. One week before entry he began to have mild night sweats and fatigue. Three days before admission he passed a tarry stool and noticed the onset of orthostatic dizziness and slight nausea. He was brought to the hospital.The patient grew up on . . .
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Cabot et al. (1985) studied this question.
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