Walker,

I use the fawn bleat and I have found it effective in bringing in a doe that was spooked. Here are some links to tell you what they should sound like:

http://www.pabucks.com/callingwhitetaildeer.html
http://www.wideworldofhunting.com/soundsofwhitetail/WhitetailDeerSounds.htm
http://www.bowsite.com/bowsite/features/practical_bowhunter/deergrunting/index.cfm

Bob