Authors
Florin Mihălțan
Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
Ancuța Constantin
National Institute of Pneumology Marius Nasta, Bucharest, Romania
© 2021 Florin Mihălțan, Ancuța Constantin, published by Romanian Society of Pneumology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.