title: Serum calcium--an important determinant of the survival of elderly patients.
mesh_terms: D000368:Aged; D002118:Calcium / Q000097:blood*; D003404:Creatinine / Q000097:blood; D005260:Female; D006801:Humans; D007564:Japan; D008297:Male; D009026:Mortality; D011379:Prognosis; D012189:Retrospective Studies
chemical_list: D003404:Creatinine; D002118:Calcium