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Published online by Cambridge University Press: 01 August 2014
After a short introduction on the relationships between ABO blood groups and the main racial groups, the Authors consider the diagrammatic representation of the p, q, r values, according to the method by Streng, and apply it to the frequencies in Italy. Another method of diagrammatic representation, according to C. C. Li, is also considered, and a comparison is made between the two methods, both applied to the frequencies of ethnically similar populations, such as Caucasoids, Corsicans, Sardinians and Basques.
The need is emphasized for more detailed studies, i. e. at the level of regions, countries, so as to provide as many data as possible.