1Simmons E, Cameron J C. Patella alta and recurrent dislocation of the patella[J]. Clin Orthop Rel Res, 1992,274:265- 269.
2Piermattei D L, Flo G L. Handbook of Small Animal Orthopedics and Fracture Repair[M]. 3rd ed. Philadelphia: PA Saunders,1997: 516-534.
3Johnson A L,Probst C W, Decamp C E,et al. Vertical position of the patella in the stifle joint of clinically normal large-breed dogs[J]. American Journal of Veterinary Research, 2002,63 : 42-46.
4Roush K W. Canine patellar luxation [J]. The Veterinary Clinics of North America of small animal practice, 1993,23 : 855- 968.
5L'Eplattenier H, Montavon P. Patellar luxation in dogs and cats, Pathogenesis and Diagnosis[J]. Compend Contineduc Pratt Vet,2002,24,234-239.
6Gustafsson P O,Kasstrom H, Ljunggren G. Estradiol induced patellar luxation in the dog: An experimental study[J]. Jounal of American Veterinary Radiology Sociation, 1969,10 : 49.
7Johnson A L,Broaddus K D,Hauptman J G,et al. Vertical patellar position in large-breed dogs with clinically normal stifles and large-breed dogs with medial patellar luxation[J]. Veterinary Surgery, 2006,35 : 78-81.
