方法：问卷调查和访谈相结合。
Methods Questionnaire investigation and interview were conducted.
方法问卷调查和访谈相结合。
Methods To combine questionnaire investigation with interview.
方法：对92例患者进行问卷调查和访谈，并用统计学中的百分率进行分析。
Method: to investigate by questionnaire and interview 92 sufferers, and to analyze them by the means of centigrade component of statistics.
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