Data distribution analysis – a preliminary approach to quantitative data in biomedical research by Przemysław Guzik, Barbara Więckowska

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A thousand words about the cardiopulmonary exercise test in respiratory system diseases by Jacek Tarchalski, Tomasz Piorunek, Przemysław Guzik

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Dependence in Activities of Daily Living as a Predictor of In-Hospital Mortality During COVID-19 in Older Individuals by Jan Ilkowski, Katarzyna Wieczorowska-Tobis, Przemyslaw Guzik

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A thousand words about running fitness tests by Małgorzata Kowalska, Marcin Fehlau, Maciej Cymerys, Przemysław Guzik

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Prospective observational study on predicting adverse clinical outcomes in patients with implanted defibrillating devices – a study rationale, design and principal methods by Przemysław Guzik, Jarosław Piskorski, Henryk Wysocki, Andrzej Wykrętowicz

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Healthy Young POLes – HYPOL database with synchronised beat-to-beat heart rate and blood pressure signals by Przemysław Guzik, Tomasz Krauze, Andrzej Wykrętowicz, Jarosław Piskorski

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Visualising and quantifying the usefulness of new predictors stratified by outcome class: The U-smile method. by Katarzyna B Kubiak, Barbara Więckowska, Elżbieta Jodłowska-Siewert, Przemysław Guzik

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Asymmetric detrended fluctuation analysis reveals asymmetry in the RR intervals time series by Dawid Mieszkowski, Marcin Kośmider, Tomasz Krauze, Przemysław Guzik, Jarosław Piskorski

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pRR30, pRR3.25% and Asymmetrical Entropy Descriptors in Atrial Fibrillation Detection by Bartosz Biczuk, Szymon Buś, Sebastian Żurek, Jarosław Piskorski, Przemysław Guzik

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Pulmonary embolism in patients with the Coronavirus Disease 2019 by Przemysław Kapała, Mattia Versace, Ewelina Tuchendler, Anna Marciniak, Przemysław Guzik

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Monitoring the skin NADH changes during ischaemia and reperfusion in humans by Jan Niziński, Lukasz Kamieniarz, Piotr Filberek, Greta Sibrecht, Przemysław Guzik

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Cerebral Perfusion Pressure-Guided Therapy in Patients with Subarachnoid Haemorrhage—A Retrospective Analysis by Agata Gradys, Jakub Szrama, Zsolt Molnar, Przemysław Guzik, Krzysztof Kusza

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Publication ethics of human studies in the light of the Declaration of Helsinki – a mini-review by Nadia Sawicka-Gutaj, Dawid Gruszczyński, Przemysław Guzik, Adrianna Mostowska, Jarosław Walkowiak

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Bootstrapping the empirical bounds on the variability of sample entropy in 24-hours ECG recordings for 1 hour segments by Sebastian Zurek, Waldemar Grabowski, Marcin Kosmider, Szymon Jurga, Przemyslaw Guzik, Jaroslaw Piskorski

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Relative Consistency of Sample Entropy Is Not Preserved in MIX Processes by Sebastian Żurek, Waldemar Grabowski, Klaudia Wojtiuk, Dorota Szewczak, Przemysław Guzik, Jarosław Piskorski

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Rationale, design and methods planned in a prospective study concerning the circadian rhythm of heart rate asymmetry in healthy subjects by Greta Sibrecht, Tomasz Krauze, Renata Dobkowska, Andrzej Wykrętowicz, Jarosław Piskorski, Przemysław Guzik

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The Effect of Exercise on the Skin Content of the Reduced Form of NAD and Its Response to Transient Ischemia and Reperfusion in Highly Trained Athletes by Olga Bugaj, Jacek Zieliński, Krzysztof Kusy, Adam Kantanista, Dariusz Wieliński, Przemysław Guzik

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Sleep Stage Classification Through HRV, Complexity Measures, and Heart Rate Asymmetry Using Generalized Estimating Equations Models by Bartosz Biczuk, Sebastian Żurek, Szymon Jurga, Elżbieta Turska, Przemysław Guzik, Jarosław Piskorski

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Cerebrovascular mediated subclinical brain injury – interaction between cardiovascular function, brain structure and cognitive function – study rationale, design and principal meth... by Katarzyna Katulska, Andrzej Minczykowski, Jarosław Piskorski, Mateusz Wykrętowicz, Marek Stajgis, Przemysław Guzik, Andrzej Wykrętowicz

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The Effect of Antihypertensive Drugs on NADH in Newly Diagnosed Primary Hypertension by Regina Pawlak-Chomicka, Tomasz Krauze, Pawel Uruski, Jaroslaw Piskorski, Andrzej Wykretowicz, Andrzej Tykarski, Przemyslaw Guzik

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