Yankov, Georgi
Alexieva, Magdalena
Yamakova, Yordanka
Kyuchukov, Dimitar
Mekov, Evgeni
Article History
Received: 22 July 2023
Accepted: 14 June 2024
First Online: 21 June 2024
Declarations
:
: All patients signed informed consent for all the procedures as a part of their hospital stay. Local Ethical Committee approved the study (Ethics Committee of the Department of Respiratory Diseases, number 1/16.08.2022).
: Not applicable. All data is anonymized.
: The authors declare no competing interests.