1. | Austin, E.J., Manning, J.T., McInroy, K., Mathews, E. (2002). A preliminary investigation of the associations between personality, cognitive ability and digit ratio. Personality and Individual Differences, 33 (7), 1115-1124. |
2. | Bailey, A.A., Hurd, P.L. (2005). Finger length ratio (2D:4D) correlates with physical aggression in men but not in women. Biological Psychology, 68 (3), 215-222. |
3. | Bennett, M., Manning, J.T., Cook, C.J., Kilduff, L.P. (2010). Digit ratio (2D:4D) and performance in elite rugby players. Journal of Sports Sciences, 28 (13), 14151421. |
4. | Brown, W.M., Finn, C.J., Cooke, B.M., Breedlove, S.M. (2002a). Differences in finger length ratios between self-identified “butch” and “femme” lesbians. Archives of Sexual Behavior, 31, 123–127. |
5. | Danborno, B., Adebisi, S.S., Adelaiye, A.B., Ojo, S.A. (2008). Sexual Dimorphism and Relationship between Chest, Hip and Waist Circumference with 2D, 4D and 2D:4D in Nigerians. The Internet Journal of Biological Anthropology, 1 (2), 1-5. |
6. | Fink, B., Neave, N., Manning, J.T. (2003). Second to fourth digit ratio, body mass index, waist to hip ratio, and waist to chest ratio: their relationships in heterosexual men and women. Annals of Human Biology, 30, 728–738. |
7. | Fink, B., Thanzami, V., Seydel, H., Manning, J.T. (2006). Digit ratio and hand-grip strength in German and Mizos men: cross-cultural evidence for an organizing effect of prenatal testosterone on strength. American Journal of Human Biology, 18 (6), 776-782. |
8. | Frick, N.A., Hull, M.J., Manning, J.T., Tomkinson, G.R. (2016). Relationships between digit ratio (2D:4D) and basketball performance in Australian men. American Journal of Human Biology, 29 (3), 1-6. |
9. | Garn, S.M., Burdi, A.R., Babler, W.J., Stinson, S. (1975). Early prenatal attainment of adult metacarpal‐phalangeal rankings and proportions. American Journal of Physical Anthropology, 43 (3), 327-332. |
10. | Giffin, N.A., Kennedy, R.M., Jones, M.E., Barber, C.A. (2012). Varsity athletes have lower 2D:4D ratios than other university students. Journal of Sports Sciences, 30 (2), 135-138. |
11. | Hone, L.S., McCullough, M.E. (2012). 2D:4D ratios predict hand grip strength (but not hand grip endurance) in men (but not in women). Evolution and Human Behavior, 33 (6), 780-789. |
12. | Hönekopp, J., Bartholdt, L., Beier, L., Liebert, A. (2007). Second to fourth digit length ratio (2D:4D) and adult sex hormone levels: New data and a meta-analytic review. Psychoneuroendocrinology, 32 (4), 313-321. |
13. | Hönekopp, J., Manning, J.T., Müller, C. (2006). Digit ratio (2D: 4D) and physical fitness in males and females: Evidence for effects of prenatal androgens on sexually selected traits. Hormones and Behavior, 49 (4), 545-549. |
14. | Hönekopp, J., Schuster, M. (2010). A meta-analysis on 2D:4D and athletic prowess: Substantial relationships but neither hand out-predicts the other. Personality and Individual Differences, 48, 4–10. |
15. | Hsu, C.C., Su, B., Kan, N.W., Lai, S.L., Fong, T.H., Chi, C.P., Hsu, M.C. (2015). Elite collegiate tennis athletes have lower 2D:4D ratios than those of nonathlete controls. The Journal of Strength & Conditioning Research, 29 (3), 822-825. |
16. | Ingham, S., Whyte, G., Jones, K., Nevill, A. (2002). Determinants of 2,000 m rowing ergometer performance in elite rowers. European Journal of Applied Physiology, 88 (3), 243246. |
17. | Kalichman, L., Batsevich, V., Kobyliansky, E. (2017). Finger length ratio and body composition in Chuvashians. Collegium Antropologicum, 41 (1), 73-79. |
18. | Kociuba, M., Kozieł, S., Chakraborty, R., Ignasiak, Z. (2017). Sports preference and digit ratio (2d:4d) among female students in Wrocław, Poland. Journal of Biosocial Science, 49 (5), 623-633. |
19. | Kociuba, M., Kozieł, S., Chakraborty, R. (2016). Sex differences in digit ratio (2D: 4D) among military and civil cohorts at a military academy in Wrocław, Poland. Journal of Biosocial Science, 48 (5), 658-671. |
20. | Kozieł, S., Kociuba, M., Chakraborty, R., Ignasiak, Z. (2017). Physical fitness and digit ratio in male students from Wroclaw. Collegium Antropologicum, 41 (1), 25-30. |
21. | Krakowiak, H., Čabrić, M., Sokołowska, E. (2013). Digit ratio (2D:4D) and body composition in athletes. Medical and Biological Sciences, 27 (4), 33-37. |
22. | Longman, D., Stock, J.T., Wells, J.C. (2011). Digit ratio (2D:4D) and rowing ergometer performance in males and females. American Journal of Physical Anthropology, 144 (3), 337-41. |
23. | Lu, H., Shen, D., Wang, L., Niu, S., Bai, C., Ma, Z., Huo, Z. (2017). Digit ratio (2D: 4D) and handgrip strength are correlated in women (but not in men) in Hui ethnicity. Early Human Development, 109, 21-25. |
24. | Lutchmaya, S., Baron, Cohen, S., Raggatt, P., Knickmeyer, R., Manning, J.T. (2004). 2nd to 4th digit ratios, fetal testosterone and estradiol. Early Human Development, 77, 23–28. |
25. | Manning, J.T., Barley, L., Walton, J., Lewis-Jones, D.I., Trivers, R.L., Singh, D., Thornhill, R., Rohde, P, Bereczkei, T., Henzi, P., Soler, M., Szwed, A. (2000). The 2nd: 4th digit ratio, sexual dimorphism, population differences, and reproductive success: evidence for sexually antagonistic genes? Evolution and Human Behavior, 21 (3), 163-183. |
26. | Manning, J.T. (2002a) Digit Ratio: A Pointer to Fertility, Behaviour, and Health. New Brunswick: Rutgers University Press. |
27. | Manning, J.T., Scutt, D., Wilson, J., Lewis-Jones, D.I. (1998). The ratio of 2nd to 4th digit length: a predictor of sperm numbers and concentrations of testosterone, luteinizing hormone and oestrogen. Human Reproduction, 13 (11), 3000-3004. |
28. | Manning, J.T. (2002b). The ratio of 2nd to 4th digit length and performance in skiing. Journal of Sports Medicine and Physical Fitness, 42 (4), 446-450. |
29. | Manning, M., Kilduff, L., Cook, C., Crewther, C., Fink, B. (2014). Digit Ratio (2D:4D): A Biomarker for Prenatal Sex Steroids and Adult Sex Steroids in Challenge Situations. Front Endocrinol (Lausanne), 5 (9), 1-5. |
30. | Manning, T.J., Hill, M.R. (2009). Digit ratio (2D:4D) and sprinting speed in boys. American Journal of Human Biology, 21, 210–213. |
31. | McFadden, D., Westhafer, J.G., Pasanen, E.G., Carlson, C.L., Tucker, D.M. (2005) Physiological evidence of hypermasculinization in boys with the inattentive type of attention-deficit/hyperactivity disorder (ADHD). Clinical Neuroscience Research, 5, 233–245. |
32. | Moffit, D.M., Swanik, C.B. (2011). The association between athleticism, prenatal testosterone, and finger length. The Journal of Strength & Conditioning Research, 25 (4), 1085-1088. |
33. | Mularczyk, M., Ziętek-Czeszak, A., Ziętek, Z. (2014). Ocena dymorfizmu płciowego wskaźnika długości palców (2D:4D). Pomeranian Journal of Life Sciences, 60 (1), 47-51. |
34. | Muller, D.C., Baglietto, L., Manning, J.T, McLean, C., Hopper, J.L., English, D.R., Severi, G. (2012). Second to fourth digit ratio (2D:4D), breast cancer risk factors, and breast cancer risk: a prospective cohort study. British Journal of Cancer, 107 (9), 1631-1636. |
35. | Neave, N., Laing, S., Fink, B., Manning, J.T. (2003). Second to fourth digit ratio, testosterone, and perceived male dominance. Proceedings of the Royal Society of London Series B. Biological Sciences, 270 (1529), 2167–2172. |
36. | Okten, A., Kalyoncu, M., Yaris, N. (2002). The ratio of second- and fourth-digit lengths and congenital adrenal hyperplasia due to 21-hydroxylase deficiency. Early Human Development, 70, 47–54. |
37. | Perciavalle, V., Di Corrado, D., Petralia, M.C., Gurrisi, L., Massimino, S., Coco, M. (2013). The second-to-fourth digit ratio correlates with aggressive behavior in professional soccer players. Molecular Medicine Reports, 7 (6), 1733-1738. |
38. | Tamiya, R., Lee, S.Y, Ohtake, F. (2012). Second to fourth digit ratio and the sporting success of sumo wrestlers. Evolution and Human Behavior, 33, 130–136. |
39. | Zatsiorsky, V.M., Kraemer, W.J. (2006). Science and practice of strength training. Champaign, IL: Human Kinetics. |
40. | Zhao, D., Li, B., Yu, K., Zheng, L. (2012). Digit ratio (2D:4D) and handgrip strength in subjects of Han ethnicity: impact of sex and age. American journal of Physical Anthropology, 149 (2), 266-271. |