Analysis on Trends of Diphtheria Incidence in Fuzhou City from 1950 to 2006;

Epidemiological analysis of the incidence of mumps in Dongcheng District,Beijing from 2005 to 2006;

Analysis of the incidence and mortality of malignancies in Xiuzhou District of Jiaxing City,Zhejiang Province from 2003 to 2005;

Morbidity and Death Tendency of Pneumoconiosis in Yunnan;

Investigation on the Epidemic Focus of Leprosy and the Morbidity in Family Members in Ningnan County in 2007;

The Study on the Relationship between Sand and Dust Weather and the Morbidity of Coronary Heart Disease

Influence of Hepatitis B Viral Replication Level on Pathogenesis of Primary Hepatocellular Carcinoma;

Accumulating evidence suggests that the expressionlevel of TNFa in neurons and glial cells is correlated with the pathogenesis of neurological disorders.

Diurnal variation, moon phase and seasonal variation in onset of stroke;

Objective:To investigated the eireadain rhythm of cerebrovascular disease in onset and death for clinical prevention and treatment providing proper opportunity.

The Influencial Factors on Occurrence of Hepatitis B Case in Children;

Methods: I examined onset of the stroke over a 5-year period, from 1998 to 2002 in Qingdao to find out stroke occurrence patterns.

Methods:I collected 10-year cerebral stroke cases(from1996 to 2005)in the first affiliated hospital of Shanxi Medical University in taiyuan,examined onset of cerebral infarction and intracerebral hemorrhage(subarachnoid cases are so few that noway to analysis)over a 10-year period to find out stroke occurrence patterns,finding out the monthly and two.