Methods Epidemiologicalsurveyandanalysis were used.
应用流行病学调查与分析的方法。
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Method: Designed according to epidemiological case comparison, through a survey of 875 hypertensive patients and 654 non - hypertensive people, and by constitution analysis.
Objectives: Do epidemiologicalsurvey about the diagnosis and treatment status quo of CCT (craniocerebral trauma) in Shandong Province, then make research and analysis.