Objective Survey of the present situation of hearing impaired children under 7 years old in Shanghai and its cause.
调查上海市7岁以下儿童听力障碍现患情况及原因探索。
Objective To survey and analyze the present situation of use of the antipsychotic drugs in psychotic outpatients.
目的了解门诊精神病患者抗精神病药物的使用情况,为临床合理用药提供参考。
This paper investigates the present situation and causes of unexpected injury of physical teaching by means of survey and interview and documents.
本文通过调查访问法、文献资料法对学校体育教学中发生意外伤害事故的现状及原因进行了调查研究。
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