根据便秘的病因可分为功能性便秘和器质性便秘，临床上所研究的便秘一般指的是功能性便秘。
Functional colon and rectal causes for constipation can be divided into slow transit constipation and pelvic outlet dysfunction.
根据便秘的病因可分为功能性便秘和器质性便秘，临床上所研究的便秘一般指的是功能性便秘。
Functional colon and rectal causes for constipation can be divided into slow transit constipation and pelvic outlet dysfunction.
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