title: Intraoral ulcer due to non-invasive positive pressure ventilation: an overlooked complication.
authors.affiliation: Saiseikai Utsunomiya Byoin, Utsunomiya, Tochigi, Japan.|Pulmonary Department, Keio University School of Medicine, Shinjuku, Tokyo, Japan.
authors.forename: Katsunori
authors.initials: K
authors.lastname: Masaki
authors.affiliation: Department of Internal Pulmonary Medicine, Saiseikai Utsunomiya Byoin, Utsunomiya, Tochigi, Japan.
authors.forename: Atsushi
authors.initials: A
authors.lastname: Chiyotani
authors.affiliation: Pulmonary Department, Keio University School of Medicine, Shinjuku, Tokyo, Japan.|Department of Internal Pulmonary Medicine, Saiseikai Utsunomiya Byoin, Utsunomiya, Tochigi, Japan.
authors.forename: Ichiro
authors.initials: I
authors.lastname: Nakachi
mesh_terms: D000368:Aged; D006801:Humans; D008297:Male; D019226:Oral Ulcer / Q000209:etiology*; D011175:Positive-Pressure Respiration / Q000009:adverse effects*; D029424:Pulmonary Disease, Chronic Obstructive / Q000150:complications / Q000628:therapy*; D012131:Respiratory Insufficiency / Q000150:complications / Q000628:therapy; D014456:Ulcer