TY  - BOOK
ED  - United States.
TI  - Medicare: health insurance for the aged
U1  - 368.30973021 
PY  - 1967///
CY  - Washington
PB  - U.S. Dept. of Health, Education, and Welfare, Social Security Administration
KW  - Hospital utilization
KW  - United States
KW  - Statistics
KW  - Medicare
KW  - Hospitals
KW  - utilization
N1  - Section4.1: Short stay hospital utilization
ER  -