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The steeple sign (also called the wine bottle sign, and inverted V sign), refers to the tapering of the upper trachea on a frontal chest radiograph reminiscent of a church steeple, s

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Tracheal stenosis, Radiology Reference Article

Steeple sign (trachea), Radiology Reference Article

Croup, Pediatric Radiology Reference Article, Pediatric Imaging

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The role of radiology in the evaluation of stridor

Imaging Acute Airway Obstruction in Infants and Children

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