title: Secondary hyperparathyroidism.
authors.forename: M J
authors.initials: MJ
authors.lastname: McKenna
authors.forename: R
authors.initials: R
authors.lastname: Freaney
mesh_terms: D000367:Age Factors; D000368:Aged; D002118:Calcium / Q000627:therapeutic use; D006801:Humans; D006962:Hyperparathyroidism, Secondary / Q000097:blood / Q000517:prevention & control*; D010281:Parathyroid Hormone / Q000097:blood; D014807:Vitamin D / Q000627:therapeutic use
chemical_list: D010281:Parathyroid Hormone; D014807:Vitamin D; D002118:Calcium