Bovine

Van Saun RJ, Ciszewski DK. Preputial foreign body in a bull. Journal of the American Veterinary Medical Association 1989;194(9):1303-1304. [PubMed Link] - opens new window

Stup, R., R.J. Van Saun and D.R. Wolfgang. A Promising New Role for Extension Educators in a Dynamic Industry: The Cow Sense Project. Journal of Extension December, 2002; 40(6),http://www.joe.org/joe/2002december/a5.shtml.