8Smith G K. Advances in diagnosing canine hip dysptasia[J].Scientific Reports, 1997, 210:1451-1457.
9Patricelli A J, Dueland R T, Adams W M. Juvenile pubic symphysiodesis in dysplastic puppies at 15 and 20 weeks of age [J]. Vet Surg, 2002, 31:435- 444.
10Dueland R T, Adams W M. Effects of pubic symphysiodesis in dysplaslic puppies[J]. Vet Surg,2001, 30..201-217.