Objective To investigate the risk factors related with chronic stuttering of children lasting more than 6 months.

目的探讨儿童慢性口吃（持续6个月以上）的危险因素和环境影响因素。

youdao

Objective To investigate the risk factors related with chronic stuttering of children lasting more than 6 months.

目的探讨儿童慢性口吃（持续6个月以上）的危险因素和环境影响因素。

youdao