thus , to control serum phosphate ( po4 ) and prevent hypercalcemia , we performed studies in 21 patients on maintenance hemodialysis in which , in addition to the oral administration of caco3 , the concentration of calcium ( ca ) in the dialysate was reduced from 3.25 to 2.5 meq/liter .
C0020437
hypercalcemia
C0006681
caco3