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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="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Kazan medical journal</journal-id><journal-title-group><journal-title xml:lang="en">Kazan medical journal</journal-title><trans-title-group xml:lang="ru"><trans-title>Казанский медицинский журнал</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0368-4814</issn><issn publication-format="electronic">2587-9359</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">57638</article-id><article-id pub-id-type="doi">10.17816/kazmj57638</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Miscellaneous</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Counting ruler pregnancy calendar</article-title><trans-title-group xml:lang="ru"><trans-title>Календарь беременности в форме счетной линейки</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Koltsova</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Кольцова</surname><given-names>А. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>info@eco-vector.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff id="aff1"><institution></institution></aff><pub-date date-type="pub" iso-8601-date="1940-04-13" publication-format="electronic"><day>13</day><month>04</month><year>1940</year></pub-date><volume>36</volume><issue>4</issue><issue-title xml:lang="ru"/><fpage>88</fpage><lpage>88</lpage><history><date date-type="received" iso-8601-date="2021-01-06"><day>06</day><month>01</month><year>2021</year></date><date date-type="accepted" iso-8601-date="2021-01-06"><day>06</day><month>01</month><year>2021</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2021, Koltsova A.V.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2021, Кольцова А.В.</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="en">Koltsova A.V.</copyright-holder><copyright-holder xml:lang="ru">Кольцова А.В.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">http://creativecommons.org/licenses/by-nc-sa/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://kazanmedjournal.ru/kazanmedj/article/view/57638">https://kazanmedjournal.ru/kazanmedj/article/view/57638</self-uri><abstract xml:lang="en"><p>The calendar of A. V. Koltsova, demonstrated at the scientific conference of TsNIAGI in Leningrad and in the Leningrad Obstetric and Gynecological Society and approved by them, was published by the State Central Research Obstetric and Gynecological Institute of the USSR NKH for wide distribution.</p></abstract><trans-abstract xml:lang="ru"><p>Календарь А. В. Кольцовой, продемонстрированный на научной конференции ЦНИАГИ в Ленинграде и в Ленинградском акушерско-гинекологическом обществе и одобренный ими, издан Государственным центральным научно-исследовательским акушерско-гинекологическим институтом НКЗ СССР для широкого распространения.</p></trans-abstract><kwd-group xml:lang="en"><kwd>Kazan Medical archive</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>Казанский медицинский архив</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list/></back></article>
