title: [Smoking and long-term oxygen therapy. Indications and contraindications].
authors.forename: Flemming
authors.initials: F
authors.lastname: Madsen
mesh_terms: D000075202:Contraindications; D006801:Humans; D010102:Oxygen Inhalation Therapy; D010349:Patient Compliance; D017410:Practice Guidelines as Topic; D012907:Smoking / Q000009:adverse effects