http://www.lightning-strike.com/main.htm

http://www.pet-loss.net/

http://www.petvets.com/petloss/

http://www.peteducation.com/article.cfm?cls=0&cat=1494&articleid=635

http://www.avma.org/communications/brochures/euthanasia/pet/pet_euth_faq.asp