Authors
Corina Oprea
National Institute of Pneumology “M.Nasta”, Bucharest, Romania
Valentin Coşei
National Institute of Pneumology “M.Nasta”, Bucharest, Romania
Ancuţa Constantin
National Institute of Pneumology “M.Nasta”, Bucharest, Romania
© 2020 Florin Mihălţan, Corina Oprea, Valentin Coşei, Ancuţa Constantin, published by Romanian Society of Pneumology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.