since 1980 , moderately large doses of oral calcium ( 80 +/- 35 mmol/day as caco3 +/- calcium polystyrene sulphonate ) , in association if necessary with mg ( oh ) 2 ( 2.5 +/- 1 g/day ) , with a reduction in the dialysate mg concentrations from 0.75 to 0.375 mmol/24 h , have replaced a1 ( oh ) 3 as phosphate binders in our centre .
C0006675
calcium
C0006681
caco3