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人类免疫球蛋白同种异型包括IgG重链上的Gm系统。其中GZm（23）因子除人类外，几乎不存在于其它灵长类动物。在不同人种和群体中，Gm因子的分布有明显差异‘”。我们用免疫酶联斑点法对372例无关个体血清测定GZm（23）因子。现将检测情况与结果报告如下。一、样品采集和处理血?
Human immunoglobulin allotypes include the Gm system on the IgG heavy chain. Among them, the GZm (23) factor is scarcely found in other primates except humans. In different ethnic groups and groups, Gm factor distribution was significantly different. "We use the enzyme-linked immunosorbent assay 372 cases of unrelated individual serum GZm (23) factor. The test results and results are reported as follows. Collect and process blood?