1. Ling GV. Therapeutic strategies involving antimicrobial treatment of the canine urinary tract. J Am Vet Med Assoc. 1984;15:1162–4.
2. Mayer-Roenne B, Goldstein RE, Erb HN. Urinary tract infections in cats with hyperthyroidism, diabetes mellitus and chronic kidney disease. J Feline Med Surg. 2007;9:124–32.
3. Ling GV, Norris CR, Franti CE, Eisele PH, Johnson DL, Ruby AL, Jang SS. Interrelations of organism prevalence, specimen collection method, and host age, sex and breed among 8354 canine urinary tract infections (1969–1995). J Vet Int Med. 2001;15:341–7.
4. Norris CR, Williams BJ, Ling GV, Franti CE, Johnson DL, Ruby AL. Recurrent and persistent urinary tract infections in dogs: 383 cases (1969–1995). J Am Anim Hosp Ass. 2000;36:484–92.
5. Seguin MA, Vaden SL, Altier C, Stone E, Levine JF. Persistent urinary tract infections and reinfections in 100 dogs (1989–1999). J Vet Int Med. 2003;17:622–31.