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;

Portal Hypertension: An Uncommon Cause of Chylothorax and an Atypical Association With Systemic Sclerosis Adriana Rodríguez Perojo; Fernando García Prieto; Marta Ramírez Lapausa; Maria Teresa Rio Ramírez;

Pleural Effusion Secondary to Multiple Myeloma: A Rare Presentation Fernando García Prieto; Beatriz Raboso Moreno; Ramiro Antonio Torrado Carrión; María Teresa Río Ramírez;