00645naa#a2200217#i#4500001001500000005001700015011001400032100004100046101000800087102000700095200008500102210005600187215001000243608002700253675003100280700002400311700002700335700002500362700002500387856001500412EN\\bibl\5687920241222121059.7##a2712-8164##a20210925b2021####ek#y0engy0150####ca0#aRUS##aRU1#aFEATURES OF PERFORATIVE GASTRODUODENAL ULCER IN CANCER PATIENTSeJournal article1#aAstrakhancAstrakhan State Medical Universityd2021##a6 с.##aJournal article2local##a. 616.33-002.44-006.6zRUS#1aPaningStanislav I #1aKovalenkogNadezhda V #1aPostolovgMikhail P #1aSuvorovgVladimir A 4#akaspmed.ru