目的：探讨结肠运输试验在慢性功能性便秘诊断及分型中的价值。
Objective: To study the value of colonic transit study in diagnosis and classfication of chronic functional constipation.
目的：探讨结肠运输试验在慢性功能性便秘诊断及分型中的价值。
Objective: To study the value of colonic transit study in diagnosis and classfication of chronic functional constipation.
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