［1］Manning JT, Scutt D, Wilson J, et al. The ratio of 2nd to 4th digit length: A predictor of sperm numbers and concentrations of testosterone, luteinizing hormone and oestrogen［J］. Hum Reprod, 1998, 13(11): 3000-3004. 
［2］Malas MA, Dogan S, Evcil EH, et al. Fetal development of the hand, digits and digit ratio (2D∶4D)［J］. Early Hum Dev, 2006, 82(7): 469-475.
［3］Galis F, Ten Broek CM, Van Dongen S, et al. Sexual dimorphism in the prenatal digit ratio (2D∶4D)［J］. Arch Sex Behav, 2010, 39(1): 57-62.
［4］Ventura T, Gomes MC, Pita A, et al. Digit ratio (2D∶4D) in newborns: influences of prenatal testosterone and maternal environment［J］. Early Hum Dev, 2013, 89(2): 107-112.
［5］Garn SM, Burdi AR, Babler WJ, et al. Early prenatal attainment of adult metacarpal-phalangeal rankings and proportions［J］. Am J Phys Anthropol, 1975, 43(3): 327-332.
［6］McIntyre M, Ellison PT, Lieberman D, et al. The development of sex differences in digital formula from infancy in the Fels longitudinal study［J］. Proc R Soc B, 2005, 272(1571): 1473-1479.
［7］McIntyre MH, Cohn BA, Ellison PT. Sex dimorphism in digital formulae of children［J］. Am J Phys Anthropol, 2006, 129(1): 143-150.
［8］Trivers R, Manning J, Jacobson A. A longitudinal study of digit ratio (2D∶4D) and other finger ratios in Jamaican children［J］. Horm Behav, 2006, 49(2): 150-156.
［9］Manning JT. Digit Ratio: A Pointer to Fertility, Behavior, and Health［M］. New Jersey：Rutgers University Press, 2002:173. 
［10］Bang AK, Carlsen E, Holm M, et al. A study of finger lengths, semen quality and sex hormones in 360 young men from the general Danish population［J］. Hum Reprod, 2005, 20(11): 3109-3113.
［11］Manning JT, Baron-Cohen S, Wheelwright S, et al. The 2nd to 4th digit ratio and autism［J］. Dev Med Child Neurol, 2001, 43(3): 160 -164.
［12］Manning JT, Bundred PE. The ratio of 2nd to 4th digit length: a new predictor of disease predisposition［J］? Med Hypotheses, 2000, 54(5): 855-857.
［13］H?nekopp J, Manning JT, Müller C. Digit ratio (2D∶4D) and physical fitness in males and females: Evidence for effects of prenatal androgens on sexually selected traits［J］. Horm Behav, 2006, 49(4): 545-549.
［14］Collaer ML, Reimers S, Manning JT. Visuospatial performance on an internet line judgment task and potential hormonal markers: sex, sexual orientation, and 2D∶4D［J］. Arch Sex Behav, 2007, 36(2):177-192.
［15］Xiaoqian JC, Lucia FJ. Digit ratio predicts sense of direction in women［J］. PLoS One, 2012, 7(2): e32816.
［16］Lu H, Huo ZhH, Shi ZhY, et al. Fluctuating asymmetry of digit length in breast cancer patients［J］. Acta Anatomica Sinica, 2013, 44(1): 140-143.（in Chinese）
陆宏, 霍正浩, 师志云,等. 乳腺癌患者指长波动性不对称［J］. 解剖学报, 2013, 44(1): 140-143.
［17］Manning JT, Robinson SJ. 2nd to 4th digit ratio and a universal mean for prenatal testosterone in homosexual men［J］. Med Hypotheses, 2003, 61(2): 303306.
［18］Lu H, Huo ZhH, Zhang KJ, et al. Relationship between digit ratio and coronary heart disease［J］. Acta Anatomica Sinica, 2008, 39(5): 765-768.（in Chinese）
陆宏, 霍正浩, 张科静, 等. 指长比与冠心病的相关性研究［J］. 解剖学报, 2008, 39(5): 765-768.
［19］Stevenson JC, Everson PM, Williams DC, et al. Attention deficit/ hyperactivity disorder (ADHD) symptoms and digit ratios in a college sample［J］. Am J Hum Biol, 2007, 19(1): 41-50.
［20］Matchock RL. Low digit ratio (2D∶4D) is associated with delayed menarche［J］. Am J Hum Biol, 2008, 20(4): 487-489.
［21］Talarovicˇová A, Kr?ková L, Blazeková J. Testosterone enhancement during pregnancy influences the 2D∶4D ratio and open field motor activity of rat siblings in adulthood［J］. Horm Behav, 2009, 55(1):235-239.
［22］Zheng Z, Cohn MJ. Developmental basis of sexually dimorphic digit ratios［J］. Proc Natl Acad Sci USA, 2011, 108(39):16289-16294.
［23］Lee DK, Chang C. Endocrine mechanisms of disease: Expression and degradation of androgen receptor: mechanism and clinical implication［J］.J Clin Endocrinol  Metab, 2003, 88(9): 4043-4054. 
［24］Ding D, Xu L, Menon M, et al. Effect of GGC (glycine) repeat length polymorphism in the human androgen receptor on androgen action［J］. Prostate, 2005, 62(2):133-139. 
［25］Manning JT, Bundred PE, Flanagan BF. The ratio of 2nd to 4th digit length: a proxy for transactivation activity of the androgen receptor gene［J］? Med Hypotheses, 2002, 59(3): 334-336.
［26］Manning JT, Bundredb PE, Newtonc DJ, et al. The second to fourth digit ratio and variation in the androgen receptor gene［J］. Evol Hum Behav, 2003, 24(6): 399-405.
［27］Hurd PL, Vaillancourt KL, Dinsdale NL. Aggression, digit ratio and variation in androgen receptor and monoamine oxidase a genes in men［J］. Behav Genet, 2011, 41(4): 543-556.
［28］Butovskaya ML, Vasilyev VA, Lazebny OE, et al. Aggression, Digit ratio, and variation in the androgen receptor,serotonin transporter, and dopamine d4 receptor genes in african foragers: the Hadza［J］. Behav Genet, 2012, 42(4): 647-662.
［29］Loehlin JC, Medland SE, Martin NG. Is CAG sequence length in the androgen receptor gene correlated with finger-length ratio［J］? Personality and Individual Differences, 2012, 52(2): 224-227.
［30］Knickmeyer RC, Woolson S, Hamer RM, et al. 2D∶4D ratios in the first 2 years of life: Stability and relation to testosterone exposure and sensitivity［J］. Horm Behav, 2011, 60(3): 256-263.
［31］Folland JP, Mc CTM, Phypers C, et al. Relationship of 2D∶4D finger ratio with muscle strength, testosterone, and androgen receptor CAG repeat genotype［J］. Am J Phys Anthropol, 2011, 148(1): 81-87.
［32］H?nekopp. No evidence that 2D∶4D is related to the number of CAG repeats in the androgen receptor gene［J］. Front Endocrinol (Lausanne), 2013, 4:185.
［33］Forstmeier W, Mueller JC, Kempenaers B. A polymorphism in the oestrogen receptor gene explains covariance between digit ratio and mating behaviour［J］. Proc Biol Sci, 2010, 277(1698):3353-3361.
［34］McIntyre MH. The use of digit ratios as markers for perinatal androgen action［J］. Reprod Biol Endocrinol, 2006, 4:10.