Objective To analyses the traditional Chinese medicine syndrome of cerebral arteriosclerosis, by the ways of clinical epidemiology and variable cluster analysis.

目的应用流行病学和变量聚类分析的数理统计方法，对脑动脉硬化进行中医分型。

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Epidemiology applies statistical analysis and other research methods to study the patterns of health and disease, in an effort to improve the health of entire populations of people.

流行病学涉及用统计分析和其他的研究手段来研究健康和疾病的模式，致力于改善全体居民的健康水平。

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Methods: The genetic epidemiology methods are used to make segregation analysis and polygenic threshold model.

方法运用分离分析法和多基因阈值理论进行遗传流行病学分析。

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Richard Hubbard, professor of respiratory epidemiology at Nottingham City Hospital and a spokesman for the British Lung Foundation, said breath analysis was already being used to diagnose children with asthma.

BBC: Lung infection identified using 'breath-print'