in three patients with advanced renal disease ( inulin clearance , 4.6 to 9.1 ml/min ) and systemic manifestations of secondary hyperparathyroidism , concentrations of serum calcium and phosphorus were maintained within our normal limits ( 9 and 3.5 mg/100 ml , respectively ) with phosphate-binding antacids and orally given calcium carbonate .
C0006675
calcium
C0006681
calcium carbonate