title: Long-term oxygen therapy: whatever happened to transtracheal oxygen?
authors.affiliation: National Jewish Health, Division of Pulmonary Sciences and Critical Care Medicine, National Jewish Health and University of Colorado School of Medicine, Denver, Colorado 80206, USA. schwartzm@njhealth.org
authors.forename: Michael David
authors.initials: MD
authors.lastname: Schwartz
authors.forename: Barry
authors.initials: B
authors.lastname: Make
mesh_terms: D002404:Catheterization / Q000379:methods; D006801:Humans; D010102:Oxygen Inhalation Therapy / Q000379:methods*; D029424:Pulmonary Disease, Chronic Obstructive / Q000628:therapy*; D014132:Trachea