title: The VA system: gerontological factor.
mesh_terms: D000368:Aged; D006299:Health Services for the Aged / Q000706:statistics & numerical data*; D006787:Hospitals, Veterans / Q000706:statistics & numerical data; D006801:Humans; D008297:Male; D011157:Population Dynamics; D014481:United States; D014493:United States Department of Veterans Affairs