Evaluation of the Effectiveness of the SED-BIO System in Reducing the Inflow of Selected Physical, Chemical and Biological Pollutants to a Lake by Jerzy M. Kupiec, Agnieszka Bednarek, Sebastian Szklarek, Joanna Mankiewicz-Boczek, Liliana Serwecińska, Jolanta Dąbrowska

“…The analyses were conducted in the Gniezno Lake District in Greater Poland (the western part of Poland). …”
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Antioxidant Therapy in Inflammatory Bowel Diseases by Katarzyna Dziąbowska-Grabias, Małgorzata Sztanke, Przemysław Zając, Michał Celejewski, Katarzyna Kurek, Stanisław Szkutnicki, Patryk Korga, Włodzimierz Bulikowski, Krzysztof Sztanke

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Śląsk w X wieku: źle postawione zagadnienie by Borys Paszkiewicz

“…After the alliance between the Boleslavs of Prague and Mieszko I of Gniezno was established in c. 964, both states met on the middle Oder line and co-operated within the great trade corridor connecting Central Asia, Scandinavia and Western Europe. …”
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Application of Functional Tests in the Prevention from Musculoskeletal Injuries in Young Classical Style Wrestlers by Małgorzata Wójcik, Idzi Siatkowski, Piotr Żurek

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Effect of icing as a non-structural mass on the variation of natural frequency of a lightweight lattice structure by Wiesław Kowalski, Mateusz Richter, Katarzyna Tokarczyk

“…The discussion concerns a structure with a sacred purpose – the Gate of the Third Millennium, located in the Lednickie Fields, in the Kiszkowo Municipality, Gniezno Poviat. The icing of structural bars (frost, rime) is treated as a source of additional masses, although the origin of non-structural mass is of secondary importance for the analysis in question. …”
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“Ostpolitik” of John Paul II as a new type of politics in relation to non-democratic regimes: history of formation by Boris Filippov

“…The basis of the article is constituted by the two texts, i.e. a newly discovered text of the speech (for a restricted audience) of John Paul II addressed to the Main Council of the Episcopate of Poland (05.06.1979) and the text of the Pope’s public sermon in the Cathedral in Gniezno (03.06.1979). We also used memoirs about private conversations of the Pope with statesmen and public fi gures about the liberation theology. …”
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Analysis of the Possibility of Management of Curly-Leaf Pondweed for Energetic Purposes by Marcin Herkowiak, Andrzej Osuch, Ewa Osuch, Bogusława Waliszewska, Grzegorz Zając

“…The plants examined were from two different water reservoirs: Lake Winiary (Gniezno) and Lake Rusalka (Poznan). On the basis of the investigations, it was determined that it is possible to use curly-leaf pondweed for energy purposes, both in the combustion method and in the biomethane fermentation process. …”
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Visceral Therapy and Physical Activity for Selected Dysfunctions, with Particular Emphasis on Locomotive Organ Pain in Pregnant Women—Importance of Reducing Oxidative Stress by Małgorzata Wójcik, Grażyna Jarząbek-Bielecka, Piotr Merks, Dawid Luwański, Katarzyna Plagens-Rotman, Magdalena Pisarska-Krawczyk, Małgorzata Mizgier, Witold Kędzia

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Problems related to gynaecological and obstetric care in Poland—selected issues by Katarzyna Plagens-Rotman, Piotr Merks, Michalina Drejza, Magdalena Pisarska-Krawczyk, Witold Kędzia, Grażyna Jarząbek-Bielecka

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Economic Activity of Residents and Revenue Autonomy of Municipalities in the Context of the COVID-19 Pandemic by Andrzej Sobczyk, Daniel Budzeń

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Subchondral Bone Relative Area and Density in Human Osteoarthritic Femoral Heads Assessed with Micro-CT before and after Mechanical Embedding of the Innovative Multi-Spiked Connect... by Mikołaj Dąbrowski, Piotr Rogala, Ryszard Uklejewski, Adam Patalas, Mariusz Winiecki, Bartosz Gapiński

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