U.S. Dept. of Health, Education, and Welfare, Public Health Service, Office of Health Research, Statistics, and Technology,
Office visits by black patients [electronic resource] : National Ambulatory Medical Care Survey, United States, 1975-76
Advancedata from vital & health statistics of the National Center for Health Statistics ;
DHEW publication ;
Advance data from vital and health statistics of the National Center for Health Statistics ;
Koch, Hugo K.
Gagnon, Raymond O.
National Ambulatory Medical Care Survey (U.S.)
United States. Public Health Service. Office of Health Research, Statistics, and Technology.
National Center for Health Statistics (U.S.)
[report prepared by Hugo Koch and Raymond O. Gagnon].
Office visits by black patients [electronic resource] : National Ambulatory Medical Care Survey, United States, 1975-76