Greg Keller, The use of health databases and selective breeding: A guide for dog and cat breeders and owners 5th edition 2006 OFA accessed at  July 26, 2006
ɡɹˈɛɡ kˈɛlɚ, ðə jˈuːs ʌv hˈɛlθ dˈeɪɾəbˌeɪsᵻz ænd sᵻlˈɛktɪv bɹˈiːdɪŋ: ɐ ɡˈaɪd fɔːɹ dˈɑːɡ ænd kˈæt bɹˈiːdɚz ænd ˈoʊnɚz fˈɪfθ ᵻdˈɪʃən tˈuː θˈaʊzənd sˈɪks ˌoʊˌɛfˈeɪ ˈæksɛst æt dʒuːlˈaɪ twˈɛnti sˈɪks, tˈuː θˈaʊzənd sˈɪks