Kellett-Gregory, L. M., Boller, E. M., Brown, D. C., & Silverstein, D. C. Ionized calcium concentrations in cats with septic peritonitis: 55 cases (1990-2008). JOURNAL OF VETERINARY EMERGENCY AND CRITICAL CARE, 20(4), 398-405. https://doi.org/10.1111/j.1476-4431.2010.00562.x