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JAMA. 1930;95(5):313-316. doi:10.1001/jama.1930.02720050001001.
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The incidence of gastric and duodenal ulcer is considerable. Between January, 1924, and May, 1930, 900 patients with gastric or duodenal ulcers have entered the clinic. Of these ulcers, 771, or 85 per cent, were duodenal; 87, or 10 per cent, were gastric; 42, or 5 per cent, were gastrojejunal.

In a series of 759 cases occurring between 1924 and 1929, massive hemorrhage had occurred during or prior to entrance in 139, or 18 per cent, of the cases. Hemorrhage occurred in 119 of the duodenal ulcers, or 18 per cent; in 12 of the gastric ulcers, or 18 per cent; in 7 of the gastrojejunal ulcers, or 32 per cent; and in the combined gastric and duodenal ulcers in one, or 10 per cent. Obstruction occurred in 66 cases, or 8.6 per cent. Of the patients with duodenal ulcers, 7.8 per cent showed obstruction on entering the clinic. Of


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