1. A standardized nomenclature for radiographic projections used in veterinary medicine;Smallwood;Vet Radiol,1985
2. Caracteres Generaux Des Os. Anatomie Comparée des Mammifères Domestiques;Barone,1976
3. Appearance of ossification centers and epiphyseal closures as determined by radiographic techniques;Chapman;J Am Vet Med Assoc,1965
4. The head. Clinical Anatomy for Small Animal Practitioners;Constantinescu,2002
5. Textbook of Small Animal Orthopedics;Newton,1985