Kilduff, L., Manning, J. T., Kilduff, L. P., & Trivers, R. (2013). Digit ratio (2D: 4D) in Klinefelter's syndrome. Andrology, 1(1), pp. 94-99. doi:10.1111/j.2047-2927.2012.00013.x

Kilduff, Liam, J. T. Manning, L. P. Kilduff, and R. Trivers. "Digit Ratio (2D: 4D) in Klinefelter's Syndrome." Andrology 1, no. 1 (2013): 94-99.

Kilduff, Liam, J. T. Manning, L. P. Kilduff, and R. Trivers. "Digit Ratio (2D: 4D) in Klinefelter's Syndrome." Andrology 1.1 (2013): 94-99.