Arrieta I, Pastor G, González E, Ibarrondo A, Lostao C M
Anthropol Anz. 1987 Mar;45(1):57-61.
The a-b palmar interdigital ridge count was analyzed in a sample of 841 males and 911 females of Basque origin. Bimanual differences were not found, against that a significant sexual dimorphism. The mean ridge count value is in the lower lange of the variability among White populations.
