http://www.isnare.com/?s=author&a=Mark+R.+Smith Pets Mark R. Smith Sun, 25 Sep 2005 00:00:00 -0700 http://www.isnare.com/?aid=12428&ca=Pets Summary Review of Controlling Fleas and Ticks with Pets Fleas are the most common external parasite of pets in North America. Fleas are small wingless insects that use their specialized mouth to pierce the skin and siphon blood from their host. When a flea bites, it injects a small amount of saliva...