a controlled study of the effects of the potent vitamin-d metabolite , 1 , 25-dihydroxycholecalciferol ( 1,25 [ oh ] 2d3 ) , and vitamin d3 was done in 18 non-dialysed patients with chronic renal failure ( c.r.f . ) .
C0008318
vitamin d3
C0022661
chronic renal failure