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Pneumoperitoneum on the X-ray image is the direct sign of gastrointestinal tract perforation. （）
Pneumoperitoneum on the X-ray image is the direct sign of gastrointestinal tract perforation. （）
A.True
B.False
正确答案：False
标签：
MedicalImaging
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Barium X-ray examination is the main examination method for gastrointestinal diseases， which can better show the location， outline， mucosal folds and internal structure of gastrointestinal tumors. （）
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