Key words gastrointestine pacemaker functional constipation的用法和樣例：
例句
- Cisapride, which can reduce total and segmental CTT, is an effective drug in chronic functional constipation.
西沙必利能顯著縮短慢性功能性便秘患者的全結腸及各節段結腸轉運時間，可常規用於慢性功能性便秘患者。 - Conclusion Plasma medium molecular substance content increases in functional constipation patients.
結論功能性便秘患者血漿內中分子物質含量增加。
