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<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">Pharmateca</journal-id><journal-title-group><journal-title xml:lang="en">Pharmateca</journal-title><trans-title-group xml:lang="ru"><trans-title>Фарматека</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2073-4034</issn><issn publication-format="electronic">2414-9128</issn><publisher><publisher-name xml:lang="en">Bionika Media</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">717322</article-id><article-id pub-id-type="doi">10.18565/pharmateca.2026.4.259-270</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Algorithms</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Алгоритмы</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Algorithms for the diagnosis and treatment of ulcerative colitis</article-title><trans-title-group xml:lang="ru"><trans-title>Алгоритмы диагностики и лечения язвенного колита</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1180-0524</contrib-id><name-alternatives><name xml:lang="en"><surname>Belous</surname><given-names>Sofia S.</given-names></name><name xml:lang="ru"><surname>Белоус</surname><given-names>София Сергеевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Med.), Senior Researcher, Department of Inflammatory and Functional Bowel Diseases</p></bio><bio xml:lang="ru"><p>к.м.н., старший науч. сотр. научного отдела по изучению воспалительных и функциональных заболеваний кишечника</p></bio><email>Sofiabelous@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1697-4670</contrib-id><name-alternatives><name xml:lang="en"><surname>Vykova</surname><given-names>B. A.</given-names></name><name xml:lang="ru"><surname>Выкова</surname><given-names>Б. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>Sofiabelous@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">A.N. Ryzhikh National Medical Research Center of Coloproctology</institution></aff><aff><institution xml:lang="ru">Национальный медицинский исследовательский центр колопроктологии им. А.Н. Рыжих</institution></aff></aff-alternatives><content-language>ru</content-language><pub-date date-type="pub" publication-format="electronic" iso-8601-date="2026-08-17"><day>17</day><month>08</month><year>2026</year></pub-date><pub-date date-type="collection"><year>2026</year></pub-date><volume>33</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>259</fpage><lpage>270</lpage><history><date date-type="received" iso-8601-date="2026-08-17"><day>17</day><month>08</month><year>2026</year></date><date date-type="accepted" iso-8601-date="2026-08-17"><day>17</day><month>08</month><year>2026</year></date></history><pub-history><event event-type="received"><event-desc>Received:<date date-type="received" iso-8601-date="2026-08-17"><day>17</day><month>08</month><year>2026</year></date></event-desc></event><event event-type="accepted"><event-desc>Accepted:<date date-type="accepted" iso-8601-date="2026-08-17"><day>17</day><month>08</month><year>2026</year></date></event-desc></event><event event-type="pub"><event-desc>Published:<pub-date date-type="pub" publication-format="electronic" iso-8601-date="2026-08-17"><day>17</day><month>08</month><year>2026</year></pub-date></event-desc></event></pub-history><permissions><copyright-statement xml:lang="en">Copyright ©; 2026, Bionika Media</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2026, ООО «Бионика Медиа»</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="en">Bionika Media</copyright-holder><copyright-holder xml:lang="ru">ООО «Бионика Медиа»</copyright-holder><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://journals.eco-vector.com/2073-4034/about/editorialPolicies</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.eco-vector.com/2073-4034/article/view/717322">https://journals.eco-vector.com/2073-4034/article/view/717322</self-uri><abstract xml:lang="ru"><p/></abstract><trans-abstract xml:lang="en"><p/></trans-abstract><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Шелыгин Ю.А., Ивашкин В.Т., Белоусова Е.А. и др. 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