Thursday, September 22, 2022
《职业健康监护管理办法》规定:职业健康检查由()批准的从事职业健康检查的医疗卫生机构(以下简称体检机构)承担。...
Thursday, September 22, 2022
Thursday, September 22, 2022
Saturday, September 17, 2022
脉冲噪声是指:噪声突然爆发又很快消失,持续时间≤()s,间隔时间>1s,声压有效值变化≥40dB(A)的噪声。...
Thursday, September 15, 2022
卫生服务的费用水平在消费者收入或总预算支出的比例越小,则其需求弹性()...
Thursday, September 22, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
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Tuesday, September 20, 2022
女,34岁。纺织厂女工。长期接触棉尘。近日接触棉尘后感发热、胸闷、气急。其诊断最可能为()...
Friday, September 16, 2022
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Thursday, September 22, 2022
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Saturday, September 17, 2022
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