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Bulgarian Cardiology 31(4): 30-51
doi: 10.3897/bgcardio.31.e174687
Received: 12 Oct 2025 | Approved: 20 Nov 2025 | Published: 31 Dec 2025
This article is part of:
Bulgarian Cardiology 31(4)
Authors
A. Ivanov - Corresponding author
Acibadem City Clinic, Sofia, Bulgaria
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E. Levunlieva
National Heart Hospital, Sofia, Bulgaria
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Academic editor
Iskra Hristova Bayraktarova
Национална кардиологична болница, София, 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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