title: Electrocardiographic changes in occult pneumothorax.
authors.forename: Julián
authors.initials: J
authors.lastname: Ortega-Carnicer
authors.forename: Francisco
authors.initials: F
authors.lastname: Ruíz-Lorenzo
authors.forename: Miguel Angel
authors.initials: MA
authors.lastname: Zarca
authors.forename: José
authors.initials: J
authors.lastname: Villanueva
mesh_terms: D000368:Aged; D016638:Critical Illness; D004562:Electrocardiography; D006801:Humans; D008297:Male; D011030:Pneumothorax / Q000175:diagnosis*