M Ruiz de Gopequi

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Changes in serum gastrin levels in the late postoperative period have been studied in 24 patients with non-stenotic duodenal ulcer who underwent proximal gastric vagotomy. Twenty healthy volunteers were used as a control group. Serum gastrin levels were determined under basal conditions and after a high protein meal stimulation. Both measurements were done(More)
In order to determine the causes of postvagotomy dysphagia, we examined microscopic changes in the lower esophagus after a proximal gastric vagotomy. Forty dogs were divided into 4 groups (n = 10). Group I was used as control. In group II, the effect of denervation was studied by means of transthoracic vagotomy. In group III, the effect of mechanical(More)
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