an oral dose of 0.5 microgram of 1,25-dihydroxycholecalciferol ( 1,25- [ oh ] 2d3 ) and 4 g of calcium carbonate was given daily to two dialysed patients and three undialysed patients in chronic renal failure with renal osteodystrophy .
C0006681
calcium carbonate
C0022661
chronic renal failure