title: In defence of calcium.
authors: B E Christopher
authors: BE
authors: Nordin
mesh_terms: D000818:Animals; D002118:Calcium / Q000378:metabolism / Q000502:physiology* / Q000627:therapeutic use; D019587:Dietary Supplements; D006801:Humans; D010024:Osteoporosis / Q000517:prevention & control
chemical_list: D002118:Calcium