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。
A general survey should be made at regular intervals among women including infantile and young girls in grass-roots units to find out ovarian tumors early.
在基层定期开展包括幼、少女在内的普查是早期发现卵巢肿瘤的主要措施。
Methods:A cross-sectional survey was conducted to investigate the patients with three chronic disease in the grass-roots medical institutions in Changsha and Chenzhou City of Hunan province.
方法：采用横断面研究方法对湖南长沙市与郴州市二级基层医疗机构的住院病人病例采集有关住院费用资料。
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