Freeman, Marcus D Reversed halo sign on CT as a presentation of lymphocytic interstitial pneumonia. [electronic resource] - Journal of radiology case reports Oct 2013 - 51-6 p. digital Publication Type: Case Reports; Journal Article ISSN: 1943-0922 Standard No.: 10.3941/jrcr.v7i10.1517 doi Subjects--Topical Terms: Diagnosis, DifferentialFemaleHumansImage-Guided Biopsy--methodsLung Diseases, Interstitial--diagnostic imagingMiddle AgedTomography, X-Ray Computed--methods