Methods 115 children with asthma, who were screened by the epidemic survey program of the whole country's co-operation of pediatric asthma, were investigated using physicianquestionnaire.
方法根据全国儿科哮喘协作组流调方案对筛查出的115名哮喘儿童进行医生问卷法调查。
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Methods Add the "country the doctor training the class the son physician for" to proceed the questionnaire inquisition to join with the questionnaire form.