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Low Digit Ratio Predicts Early Age at Menarche in Colombian Schoolgirls
(Blackwell Publishing LtdWiley Periodicals, Inc., 2012-09)
Background: The ratio between the lengths of the second and fourth fingers (digit ratio: 2D : 4D), a purported negative correlate of prenatal androgen exposure, has been inversely related to age at menarche. However, a ...