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. 2015 Oct 6;3:e1311. doi: 10.7717/peerj.1311

Table 1. Comparative sample for torsion values.

Species Male Female Indet. Total
Homo sapiens (total) 20 11 17 48
Euroamericans 8 1 5 14
Amerinds 12 10 12 34
Pan troglodytes 16 25 41
Gorilla gorilla 27 20 47
Pongo pygmaeus 13 17 30