00572naa#a2200193#i#450# EN\INFRA-M\bibl\7219 20260117000235.6 1609-2163 20150915b2015####ek#y0engy0150####ca RUS RU Methods to Improve the Accuracy of Urease Respiratory Diagnosis of Helicobacter Pylori Journal article Moscow INFRA-M Academic Publishing LLC. 2015 6 с. Journal article local Yasoveev V. Matantsev A. Urazbakhtina Yu. zh-szf.ru