1. J. W. Bartges , 1998 : Emerging from the stone age: feline urolithiasis-past, present, future . In: J. Wills and B. Stanley (eds.),Waltham Focus, Focus on the Urinary Tract, Waltham Centre for Pet Nutrition, Leicestershire, UK, pp. 5 -8 .
2. Canine Urate Urolithiasis
3. Pathogenetic factors of urinary stone formation in animals
4. A. Hoppe , 1998 : Urolithiasis in dogs . In: J. Wills and B. Stanley (eds.),Waltham Focus, Focus on the Urinary Tract, Waltham Center for Pet Nutrition, Leicestershire, UK, pp. 50 -57 .