title: Chest x-ray quiz.
authors.forename: Marea
authors.initials: M
authors.lastname: Reading
mesh_terms: D000369:Aged, 80 and over; D006325:Heart Atria / Q000000981:diagnostic imaging / Q000601:surgery; D019918:Heart Valve Prosthesis Implantation; D006801:Humans; D008297:Male; D008478:Mediastinal Emphysema / Q000000981:diagnostic imaging*; D010996:Pleural Effusion / Q000000981:diagnostic imaging*; D011859:Radiography