Roger A. Hostutler; Dennis J. Chew; Stephen P. DiBartola (2005). "Recent Concepts in Feline Lower Urinary Tract Disease". Veterinary Clinics of North America: Small Animal Practice. 35 (1): 147–170. doi:10.1016/j.cvsm.2004.08.006. PMID15627632.
Julie K. Spears; Christine M. Grieshop; G.C. Fahey Jr. (2003). "Evaluation of Sodium Bisulphate and Phosphoric Acid as Urine Acidifiers for Cats". Archiv für Tierernährung. 57 (5): 389–398. doi:10.1080/00039420310001607743. PMID14620912.
Roger A. Hostutler; Dennis J. Chew; Stephen P. DiBartola (2005). "Recent Concepts in Feline Lower Urinary Tract Disease". Veterinary Clinics of North America: Small Animal Practice. 35 (1): 147–170. doi:10.1016/j.cvsm.2004.08.006. PMID15627632.
Julie K. Spears; Christine M. Grieshop; G.C. Fahey Jr. (2003). "Evaluation of Sodium Bisulphate and Phosphoric Acid as Urine Acidifiers for Cats". Archiv für Tierernährung. 57 (5): 389–398. doi:10.1080/00039420310001607743. PMID14620912.