Methods Infective disease transfer model were explored and the main principle and method of field epidemiological investigation were analyzed.
方法阐述传染病的感染和传播的基本模式，分析现场流行病学调查的基本原理和策略。
Methods: Based on method of epidemiological investigation, 475 patients' data of DILD collected.
方法：采用流行病学方法，收集弥漫性肺间质疾病临床调查资料475份。
Method Combine the investigation of Epidemiological with the hydrography data.
方法采用流行病学调查结果与水文地质资料相结合的方法。
MethodsClinical investigation on CG patients was carried out adopting clinical epidemiological method.
方法运用临床流行病学方法对慢性胃炎患者进行临床流行病学调查。
Method All kinds of surveillance data and data of epidemiological investigation in the whole city in 2000 ~ 2005 were collected and analyzed.
方法汇总分析安阳市2000 ~ 2005年间的各类监测数据和流行病学调查资料。
Method All kinds of surveillance data and data of epidemiological investigation in the whole city in 2000 ~ 2005 were collected and analyzed.
方法汇总分析安阳市2000 ~ 2005年间的各类监测数据和流行病学调查资料。
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