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Bulgarian Cardiology 28(1): 63-83
doi:
10.3897/bgcardio.28.e80076
Received:
21 Jan 2022 | Approved:
21 Mar 2022 | Published:
06 Apr 2022
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Authors
Zornitsa Vassileva
- Corresponding author
National Cardiology Hosptial, Sofia, Bulgaria
National Cardiology Hospital, Sofia, Bulgaria
Specialized Children’s Hospital “Prof. Ivan Mitev”, Sofia, Bulgaria
University Hospital “N. I. Pirogov”, Sofia, Bulgaria
Academic editor
МБАЛ Национална кардиологична болница, Sofia, Bulgaria
Assistent professor, Sofia, Bulgaria
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.