title: COPD exacerbations: to X-ray or not to X-ray.
authors.forename: Naresh A
authors.initials: NA
authors.lastname: Dewan
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D018410:Pneumonia, Bacterial / Q000000981:diagnostic imaging* / Q000382:microbiology; D029424:Pulmonary Disease, Chronic Obstructive / Q000000981:diagnostic imaging* / Q000503:physiopathology; D013902:Radiography, Thoracic / Q000706:statistics & numerical data*; D012008:Recurrence; D012129:Respiratory Function Tests; D012141:Respiratory Tract Infections / Q000000981:diagnostic imaging* / Q000382:microbiology; D012680:Sensitivity and Specificity; D012720:Severity of Illness Index; D019564:Unnecessary Procedures / Q000706:statistics & numerical data