目的：探讨口腔、咽、食管烧伤的治疗方法。
Objective: To investigate method for treating oral, pharyngeal and esophageal burn.
目的研究口腔咀嚼运动对早期严重烧伤患者胃肠道功能的作用，并探讨其可能的机制。
Objective to investigate the effects nonnutritive chewing on gastrointestinal function in severely burned patients at early stage, and to explore its possible mechanism.
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