@article{walker_robison_whisnant_cassady_2004, title={Effect of divergent selection for testosterone production on testicular morphology and daily sperm production in boars}, volume={82}, DOI={10.2527/2004.8282259x}, number={8}, journal={Journal of Animal Science}, author={Walker, S. and Robison, O. W. and Whisnant, C. S. and Cassady, J. P.}, year={2004}, pages={2259–2263} }