1. Disorders of the avian integument;Perry;Vet Clin North Am Small Anim Pract,1991
2. Noninfectious diseases of pediatric psittacines;Clipsham;Semin Avian Exotic Pet Med,1992
3. Growth, signs of deficiency and weaning in cockatiels fed deficient diets;Roudybush,1986
4. The pathogenesis of psittacine beak and feather disease;Pass,1984
5. The pathology of psittacine beak and feather disease;Pass;Aust Vet J,1984