title: A snapshot of a 'UFO'.
authors.affiliation: Department of Paediatrics, Heinrich Heine University, Moorenstrasse 5, 40225 Düsseldorf, Germany. gmlackmann@t-online.de
authors.forename: Gerd-Michael
authors.initials: GM
authors.lastname: Lackmann
authors.forename: Tim
authors.initials: T
authors.lastname: Niehues
authors.forename: Helmut
authors.initials: H
authors.lastname: Kemperdick
mesh_terms: D005547:Foreign Bodies; D006801:Humans; D007223:Infant; D007229:Infant Welfare; D008297:Male; D013902:Radiography, Thoracic; D013909:Thorax; D014057:Tomography, X-Ray Computed