Hospital discharges and length of stay : short-stay hospitals, United States, 1972 /
Blanken, Ann J.
Washington : U.S. Dept. of Health, Education, and Welfare, Public Health Service, National Resources Administration, National Center for Health Statistics, [for sale by the Supt. of Docs., U.S. Govt. Print. Off.],
1976.
Includes bibliographical references.
Hospital utilization
Health surveys