Distribution of the Blood-Groups, Subgroups, and Rh Blood-Types in Japanese

Abstract
Summary and Conclusions: Data concerning the distribution of the Rh types, blood-groups and subgroups in Japanese are presented. The results obtained indicate marked differences in the frequency of the various blood-factors studied in Japanese from American Whites, American Negroes, and American Indians. Comparison with Chinese reveals very slight differences in the Rh types. However, it is likely that larger series of both groups would demonstrate their complete similarity.
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