title: Calcium, metals and nervous system in the elderly.
mesh_terms: D000328:Adult; D000368:Aged; D000375:Aging; D000535:Aluminum / Q000378:metabolism; D000544:Alzheimer Disease / Q000378:metabolism; D001921:Brain / Q000378:metabolism*; D002118:Calcium / Q000378:metabolism*; D017886:Durapatite; D005260:Female; D006801:Humans; D006882:Hydroxyapatites / Q000378:metabolism; D008274:Magnesium / Q000378:metabolism; D008670:Metals / Q000378:metabolism*; D008875:Middle Aged; D013116:Spinal Cord / Q000378:metabolism*
chemical_list: D006882:Hydroxyapatites; D008670:Metals; D017886:Durapatite; D000535:Aluminum; D008274:Magnesium; D002118:Calcium