The positive bronchus sign.
Department of Radiology, University of Alabama at Birmingham Hospitals 35233, USA.
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Singh
D001995:Bronchography; D002283:Carcinoma, Bronchogenic / Q000000981:diagnostic imaging; D006801:Humans; D008175:Lung Neoplasms / Q000000981:diagnostic imaging; D014057:Tomography, X-Ray Computed