Authors
Florin Mihălțan
UMF.Carol Davila București, București, Romania
Doina Todea
UMF. Iuliu Hațieganu Cluj Napoca, Cluj-Napoca, Romania
© 2019 Florin Mihălțan, Mihaela Oros, Doina Todea, published by Romanian Society of Pneumology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.