Decennial census data for selected health occupations, United States, 1970 /
Handler, Aaron.
National Center for Health Statistics (U.S.)
Rockville, Md. : U. S. Dept. of Health, Education, and Welfare, Public Health Service, Health Resources Administration, National Center for Health Statistics ; Washington : for sale by the Supt. of Docs., U. S. Govt. Print. Off.,
1975.
HEW 390.
Health occupations