目的研究不同抗生素组合不同给药途径对患儿呼气氢试验(BHT)的影响。
Objective: Studied the effect of different antibiotic unites in different ways to children's breath hydrogen test (BHT).
方法采用不同底物试餐测定空腹和试餐后呼气氢浓度动态变化，判断消化道功能状态。
Methods Judge digestive tract function by examining expiratory hydrogen concentration change during empty stomach and after eating different substrate.
目的探讨饮食和禁食时间对基础呼气氢浓度的影响，寻找合适的氢呼气试验饮食准备方案。
Purpose To investigate the effects of diet and fasting time on the basic breath hydrogen levels in hydrogen breath test (HBT).
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