Policv of Primary Medical Insurance Reform for iEmplovees and Its Impnacts on Health Services Demand Behaviors in Weihai City李伟, 刘秀娟, 冯启龙, 郭洪伟, 尹爱田13-14
Epidemiological Analysis for the Ophthalmic Tramna in China from 1997 to 1999张文斌, 黄世建, 单藕琦, 焦亚辉, 向保华20-21
Retrospective study on the causes of death of inhabitants in the production and con smuction corps in Xinjiang from 1997 to 1999张守萍22-23
Analysis on the state of human and material resources in the county sanitation and antiepidemic organizations丁昌慧, 祁新辉, 蔡辉, 李红美29-31
A Study on the Vitamin A Levels and Its Influential Factors in Children Under 5 Years of Age in Beijing卢秀英, 马志军, 刘兰香33-34
Analysis on the influence of strenghthening immunity on the level of polio immunity of healthy children解平, 王永付, 洪剑, 解薇, 奚桂山, 范丙瑞, 马生恬, 马长年43-44
Study Relation of Nosogenesis and Food Factors to High Risk Group of Esophageal Carcinoma翟建文, 杨福申, 徐岩, 胡基刚, 陈英杰46-47