A novel multimodal approach to treating proximal tracheal obstructions with spray cryotherapy

Affiliations

• ¹ Department of Medicine, Division of Pulmonary and Critical Care Medicine, University of California, Irvine, CA, USA.
• ² Department of Medicine, Division of Pulmonary and Critical Care Medicine, University of California, San Francisco, CA, USA.
• ³ Department of Medicine, Division of Pulmonary and Critical Care Medicine, Palo Alto Medical Foundation, Palo Alto, CA, USA.