1. Auer JA, Stick JA, Kummerle JM, Prange T. Equine surgery. 4th ed. Elsevier; 2019. p. 1070–1074.
2. Brown MP, Colahan PT, Hawkins DL. Urethral extension for treatment of urine pooling in mares. Am J Vet Med Assoc. 1978;173(8):1005–1007.
3. McKinnon AO, Belden JO. A urethral extension technique to correct urine pooling (vesicovaginal reflux) in mares. Am J Vet Med Assoc. 1988;192(5):647–650.
4. McKinnon AO, Squires EL, Vaala WE, Varner DD. Equine reproduction. 2nd ed. Wiley-Blackwell; 2011. p. 2537–2552.
5. Monin T. Vaginoplasty: A surgical treatment for urine pooling in the mare. Proc Am Assoc Equine Pract. 1972; 18:99–102.
6. Shires GM, Kaneps AJ. A practical and simple surgical technique for repair of urine pooling in the mare. Proc Am Assoc Equine Pract. 1986; 32:51–56