25-Hydroxycholecalciferol levels in patients with cystic fibrosis.
D003550:Cystic Fibrosis / Q000097:blood*; D006801:Humans; D006887:Hydroxycholecalciferols / Q000097:blood*; D014807:Vitamin D / Q000008:administration & dosage
D006887:Hydroxycholecalciferols; D014807:Vitamin D