检测系统性红斑狼疮（SLE）患者和健康献血员甘露糖结合凝集素（MBL）的血清水平。
Objectives1. To detect serum level of mannose binding lectin (MBL) in systemic lupus erythematosus (SLE) patients and healthy blood donors.
目的：了解杭州地区健康献血员中输血传播病毒（TTV）的感染情况和病毒基因组片段的变异性。
Objective: To investigate the frequency of transfusion-transmitted virus(TTV) infection in healthy blood donors in Hangzhou area and the mutation of TTV genomic fragment.
方法：收集如下血标本：正常健康献血员30例，慢性乙型肝炎患者30例，慢性深度黄疸乙型肝炎患者60例。
Methods: Blood samples of following were collected: 30 healthy persons, 30 chronic viral hepatitis B patients, and 60 chronic hepatitis B patients with deep jaundice.
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