title: Metabolic bone disease and vitamin D deficiency in Crohn's disease.
mesh_terms: D000328:Adult; D000368:Aged; D001851:Bone Diseases, Metabolic / Q000209:etiology*; D002112:Calcifediol / Q000097:blood; D003424:Crohn Disease / Q000150:complications / Q000378:metabolism*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D014807:Vitamin D / Q000627:therapeutic use; D014808:Vitamin D Deficiency / Q000209:etiology*
chemical_list: D014807:Vitamin D; D002112:Calcifediol