Almeida-Melo N, Azevêdo E S
Hum Hered. 1977;27(5):310-3. doi: 10.1159/000152884.
The effect of Black admixture is studied on the characteristics of Beckman's scoring method. There is a significant cline on the mean scoring value for the interdigital area IV as the proportion of Negro ancestries increases (p less than 0.05).