Use of the FFP2 mask as an effective therapeutic measure in a case of hypersensitivity pneumonitis Adriana Rodríguez Perojo; Cristina Matesanz López; Gonzalo Rodríguez Maestro; Sonia Pascual García; Araceli Abad Fernández; Maria Teresa Rio Ramírez;

Posterior Mediastinum Plasmocytoma: An Infrequent Location Adriana Rodríguez Perojo; Beatriz Raboso Moreno; Sonia Pascual García; Maria Nieves Somolinos De Marcos; Marta Gil Alcalde; Maria Teresa Rio Ramírez;

Giant Tracheal Diverticulum in a Patient With Systemic Sclerosis: An Exceptional Case Fernando Garcia-Prieto; Adriana Rodríguez Perojo; María Teresa Río Ramírez;