Methods Retrospective survey and descriptive research analysis were made with annuals reports of infections diseases during 1984 and 2003 in Baoan District.
方法利用宝安区1984 ~ 2003年疫情汇编和宝安区统计局历年人口年鉴进行回顾性调查，并作描述性研究分析。
METHODS During 2007-2009, prospective and retrospective analysis of comprehensive survey in all patients with nosocomial infections was conducted and compared.
方法对2007- 2009年所有医院感染患者进行前瞻性、回顾性综合调查分析并对比。
METHODS During 2007-2009, prospective and retrospective analysis of comprehensive survey in all patients with nosocomial infections was conducted and compared.
方法对2007- 2009年所有医院感染患者进行前瞻性、回顾性综合调查分析并对比。
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