NetVet Homepage http://netvet.wustl.edu/   Vet On-Line http://www.cityscape.co.uk/users/dn47   FDA Approved Veterinary Animal Drugs http://www.cvm.fda.gov/index   FDA Center for Veterinary Medicine http://www.fda.gov/cvm/default.html   VETPLUS-L (Veterinary Professionals List) http://pserv.vet.cornell.edu/~vetplus   AVI Home Page http://netvet.wustl.edu/avi.htm   ProVet Home Page http://www.provet.com   MedLine http://www.ncbi.nlm.nih.gov/