METHODS a questionnaire was designed according to the standard of prevention, and the questionnaire survey was conducted among 685 grassroots health workers in 15 grass roots hospitals.
方法根据标准预防的要求，设计调查表，对15所基层医院的685名医务人员进行问卷调查。
METHODS a questionnaire was designed according to the standard of prevention, and the questionnaire survey was conducted among 685 grassroots health workers in 15 grass roots hospitals.
方法根据标准预防的要求，设计调查表，对15所基层医院的685名医务人员进行问卷调查。
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