title: THE EFFECT OF OPERATIONS OF VARYING SEVERITY UPON CALCIUM AND PHOSPHORUS METABOLISM IN THE ELDERLY.
mesh_terms: D000368:Aged; D001062:Appendectomy; D035843:Biomedical Research; D002118:Calcium / Q000378:metabolism*; D002763:Cholecystectomy; D005243:Feces; D005743:Gastrectomy; D005853:Geriatrics; D006801:Humans; D010758:Phosphorus / Q000378:metabolism*; D013514:Surgical Procedures, Operative; D013562:Sympathectomy; D014556:Urine; D014628:Vagotomy
chemical_list: D010758:Phosphorus; D002118:Calcium
keywords: APPENDECTOMY; CALCIUM METABOLISM; CHOLECYSTECTOMY; CLINICAL RESEARCH; FECES; GASTRECTOMY; GERIATRICS; PHOSPHORUS METABOLISM; SURGERY, OPERATIVE; SYMPATHECTOMY; URINE; VAGOTOMY