AKC (american kennel club)  -   akc.org

Canine Eye Registration Foundation   -   vmdb.org/cerf

Home Again Microchip Identification System   -   homeagainid.com

Labmed   -   labmed.org

Labrador Retriever Health Page   -   angelfire.com/bc2/labradors

Optigen (dna registry)   -   optigen.com

OFA (orthopedic data base)   -   offa.org

Therapy Dog International   -   tdi-dog.org

Great articles   -   blueknightlabs.com