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Is 2D:4D the most sexually differentiated among finger-length ratios? Answers from a meta-analysis

2021-03-29

Abstract excerpt

<p>The second-to-fourth digit ratio (2D:4D) is a sexually differentiated trait of human hand anatomy which presently is frequently used in anthropological, biomedical, and psychological studies as a putative (retrospective and indirect) marker for prenatal androgen levels. Apart from the traditionally studied 2D:4D ratio, five further finger-length ratios can be constructed for the human hand (2D:3D, 2D:5D, 3D:4D,...

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Literature Corpus work: 3a74f8be-cf9d-5925-9050-533544efbc8a
DOI: 10.31234/osf.io/64x38

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