Medical care information system of the Veterans' Administration.
D000367:Age Factors; D001330:Electronic Data Processing; D006739:Hospital Administration; D006760:Hospitalization; D006761:Hospitals / Q000706:statistics & numerical data; D006787:Hospitals, Veterans / Q000706:statistics & numerical data; D007182:Income; D007256:Information Systems; D008499:Medical Records; D006278:Medicare; D011996:Records; D014481:United States; D014493:United States Department of Veterans Affairs; D014728:Veterans