Authors
Tito Abrantes
Pulmonology Department, Centro Hospitalar Tondela-Viseu, Viseu, Portugal
João Silva
Pulmonology Department, Centro Hospitalar Tondela-Viseu, Viseu, Portugal
© 2019 Tito Abrantes, João Silva, published by Romanian Society of Pneumology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.