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References from Abnormal Radiographs in a Child. Local targets link to admitted publications; unresolved targets remain external evidence.
Reappraisal of radiographic signs of pneumoperitoneum at emergency department
10.1016/j.ajem.2008.03.004 · 2009 · External reference
Rigler sign: an underappreciated alert for pneumoperitoneum
10.1016/j.amjsurg.2007.07.030 · 2008 · External reference
