http://www.vetcontact.com/en/art.php?a=29&t
http://www.vet4petz.com/articles/urinar ... inence.htm
http://www.thepetwhisperer.com/archive/ ... _2003.html
http://www.labbies.com/neuter.htm
http://www.showdogsupersite.com/kenlclu ... neutr.html