1. Auger, J., & Eustache, F. (2010). Second to fourth digit ratios, male genital development and reproductive health: A clinical study among fertile men and testis cancer patients. International Journal of Andrology, 34(4 Pt 2), e49–e58.
2. Auger, J., Le Denmat, D., Berges, R., Doridot, L., Salmon, B., Canivenc-Lavier, M. C., & Eustache, F. (2013). Environmental levels of oestrogenic and antiandrogenic compounds feminize digit ratios in male rats and their unexposed male progeny. Proceedings of the Royal Society of London B, 280, 20131532.
3. Austin, E. J., Manning, J. T., McInroy, K., & Mathews, E. (2002). An investigation of the association between personality, cognitive ability and digit ratio. Personality and Individual Differences, 33, 1115–1124.
4. Baker, F. (1888). Anthropological notes on the human hand. American Anthropologist, A1(1), 51–76.
5. Barona, M., Kothari, R., Skuse, D., & Micali, N. (2015). Social communication and emotion difficulties and second to fourth digit ratio in a large community-based sample. Molecular Autism, 6, 68.