Literature
The must read
Hip Dysplasia Facts by FJ van Kraayenburg
Recommended reading
Correlating Puppy Price to Quality - S v Kraayenburg
Evaluating a Breeder - S v Kraayenburg
HD Literature Review - FJ v Kraayenburg Nov 2014
IPO as a breeding requirement - FJ v Kraayenburg
The Breed Survey - F v Kraayenburg