title: Proceedings: In vivo measurement of spinal calcium.
mesh_terms: D002118:Calcium / Q000032:analysis*; D002132:Calcium Radioisotopes; D006801:Humans; D009501:Neutron Activation Analysis / Q000379:methods; D011187:Posture; D013131:Spine / Q000032:analysis*
chemical_list: D002132:Calcium Radioisotopes; D002118:Calcium