Relationship between free circulating DNA levels, ejection fraction and brain natriuretic peptide levels in patients with chronic heart failure: prospective observational study

BACKGROUND: Chronic heart failure (CHF) is one of the most serious problems in cardiovascular diseases, requiring accurate diagnosis and treatment.The search for new laboratory markers of CHF can improve the accuracy of diagnosis and identify the severity of the patients condition.AIM: Our aim was to study the relationship between the levels of fre

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An Ivory Tower in Archaeology? A Conversation with Leo S. Klejn

During a conversation Gun Cases between Professor Leo S.Klejn from St.Petersburg in Russia and the author some controversial issues were discussed.These include aspects of feminist and gender archaeology, the nature and function of archaeological theory, the separation of archaeology and prehistory as scholarly disciplines, and the relation between

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A Novel DV-Hop Localization Method Based on Hybrid Improved Weighted Hyperbolic Strategy and Proportional Integral Derivative Search Algorithm

As a range-free localization algorithm, DV-Hop has gained widespread attention due to its advantages of simplicity and ease of implementation.However, this algorithm also has some defects, such as poor localization accuracy and vulnerability to network topology.This paper presents a comprehensive analysis of the factors contributing to the inaccura

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