Walker, Christopher M Reply to "Can morphologic characteristics of the reversed halo sign narrow the differential diagnosis of pulmonary infections?". [electronic resource] - AJR. American journal of roentgenology Nov 2014 - W559 p. digital Publication Type: Letter; Comment ISSN: 1546-3141 Standard No.: 10.2214/AJR.14.12996 doi Subjects--Topical Terms: FemaleHumansLung--diagnostic imagingLung Diseases--diagnostic imagingMaleRadiographic Image Enhancement--methodsRadiography, Thoracic--methodsRespiratory Tract Infections--diagnostic imagingTomography, X-Ray Computed--methods