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Geographical distribution of individual genotypes of Helicobacter pylori, predominance of virulent types in various regions of Russia, particularly in the Prymorye Territory, remains unclear. We examined 115 children with various gastroduodenal pathology and 33 patients with gastric cancer, of which 57.39 and 60% respectively were infected with H. pylori. All samples positive for H. pylori were further...
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