Medicare :  health insurance for the aged 1967 
 Medicare.  1967  Section 4.1  Short stay hospital utilization 

 - Washington :  U.S. Dept. of Health, Education, and Welfare, Social Security Administration,  1967 
 - vareius pages ;  31 cm. 
 - Office of research and statistics .
<br/><br/>Section4.1: Short stay hospital utilization 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hospital utilization--United States--Statistics<br/>Medicare--Statistics<br/>Hospitals--utilization--United States<br/>Medicare--Statistics
<br/><br/><label>Dewey Class. No.: </label>368.30973021