Methods a prospective clinical epidemiological study was carried out to observe the inducing factors and syndrome differentiation regulations of cholelithiasis.
方法胆石病诱发因素和辨证规律采用前瞻性临床流行病学调查方法。
To monitor the distribution and resistance of enteric pathogenic bacteria in Beijing to offer the data for guiding epidemiological study and clinical treatment.
目的监测北京地区肠道致病菌的组成及耐药状况，为本地区的流行病学研究及临床合理用药提供依据。
Methods To study the behavior disorders among the mild AD patients using clinical epidemiological way.
方法利用临床流行病学的方法调查轻度AD病人的行为障碍。
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