If you have questions or want to do further research, here are some suggestions:
Books
Culture Clash by Jean Donaldson
Don’t Shoot the Dog: The New Art of Teaching and Training by Karen Pryor
Dog Language: An Encyclopedia of Canine Behavior by Richard Abrantes
Clicking With Your Dog by Peggy Tillman
Living with Kids and Dogs Without Losing Your Mind by Colleen Pelar
Mine! A Practical Guide to Resource Guarding in Dogs by Jean Donaldson
How to Teach an Old Dog New Tricks by Ian Dunbar
Click to Calm: Healing the Aggressive Dog by Emma Parsons
When Pigs Fly: Training Success for Impossible Dogs by Jane Killion
The Other End of the Leash by Patricia McConnell
Obedience & Behavior
Gentle Leader Collars and Leashes
Certification Council for Professional Dog Trainers
Partners
Veterinary Medical Association
American Animal Hospital Association
Veterinary Schools
Purdue University School of Veterinary Medicine
Michigan State University College of Veterinary Medicine
University of Illinois College of Veterinary Medicine
Ohio State University College of Veterinary Medicine
Health & Nutrition
National Animal Poison Control Center