Figure 2.
Blood ionized calcium levels of cats chronic kidney disease with nephrolithiasis and normal, hypo- and hypermagnesemia reference intervals (Veterinary Teaching Hospital of the University of Sao Paulo): total serum magnesium 1.58–2.16 mg/dl; ionized calcium 1.1–1.4 (mmol/l). *P <0.05; **P <0.01