seventy-six patients receiving regular haemodialysis , without biochemical or radiological evidence of renal osteodystrophy , entered a five-year double-blind placebo-controlled trial of calcitriol ( 1,25-dihydroxycholecalciferol ) in the prevention of bone disease .
C0006674
calcitriol
C0012328
dihydroxycholecalciferol