这个词是什么意思？
A person having origins in any of the white racial groups of Europe, the Middle East and North Africa (https://www.federalregister.gov/documents/1997/10/30/97-28653/revisions-to-the-standards-for-the classification-of-federal-data-on-race-and-ethnicity). In the United States it is used for classification of federal government data on race and ethnicity. Race and ethnicity terms are self-identified social construct and may include terms outdated and offensive in MeSH to assist users who are interested in retrieving comprehensive search results for studies such as in longitudinal studies.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D000095223 · MeSH 2026。
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