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Bulgarian Cardiology 31(2): 21-34
doi: 10.3897/bgcardio.31.e153312
Received: 19 Mar 2025 | Approved: 28 Apr 2025 | Published: 06 Oct 2025
This article is part of:
Bulgarian Cardiology 31(2)
Authors
   
Zh. Kolev - Corresponding author
Medical University of Varna, Varna, Bulgaria
University Hospital Saint Marina, Varna, Bulgaria
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V. Valkov
Medical University of Varna, Varna, Bulgaria
University Hospital Saint Marina, Varna, Bulgaria
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A. Angelov
Medical University of Varna, Varna, Bulgaria
University Hospital Saint Marina, Varna, Bulgaria
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Academic editor
Diana Trendafilova-Lazarova
UHAT Sv. Ekaterina, Sofia, Bulgaria
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Conflict of interest
The authors have declared that no competing interests exist.
This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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