title: Low protein diet and 1,25 (OH)2 D3 levels.
mesh_terms: D002117:Calcitriol / Q000097:blood*; D004044:Dietary Proteins / Q000008:administration & dosage*; D006801:Humans; D007676:Kidney Failure, Chronic / Q000097:blood / Q000178:diet therapy*; D014808:Vitamin D Deficiency / Q000097:blood*
chemical_list: D004044:Dietary Proteins; D002117:Calcitriol