1. Over a thousand BSE’s using the new form;Carson,1995
2. Wenzel JGW, Carson RL: Comparison of three standards of evaluation of bulls for breeding soundness. Submitted to Theriogenology.
3. Manual for breeding soundness examination of bulls;Ball;J Soc Theriogenol,1983
4. Abnormal Morphology of Bovine Spermatozoa;Barth,1989
5. Theriogenology: From concept to reality;Bartlett,1984