arch Centre. Swansea University. UK Received 24 December 2012; revision accepted for publication 30 January 2013. Literature Cited Manning. J. T.. L. Morris,and N. Caswell. 2007. Endurance running and digit ratio (2D:4D): Implica- tions for fetal testosterone effects on running speed and vascular health.

o Paulo, Brazil. Manning John, Applied Sports Technology Exercise and Medicine Research Centre, Swansea University, UK. References Manning, J.T., L. Morris, and Caswell, N, 2007. Endurance running and digit ratio (2D:4D): implications for fetal testosterone effects on running speed and vascular health.

rch Centre. Swansea University. UK Received 24 December 2012; revision accepted for publication 30 January• 2013. Literature Cited Manning. J. T.. L. Morris. and N. Caswell. 2007. Endurance miming and digit ratio (2D:4D): Implica- tions for fetal testosterone effects on running speed and vascular health.