Patterns of ambulatory care in general and family practice : the National Ambulatory Medical Care Survey, United States, January 1980-December 1981
Vital & health statistics. Series 13, Data from the national health survey ;
DHHS publication ;
Vital and health statistics. Series 13, Data from the National Health Survey ;
Cypress, Beulah K., 1918-2007, author.
National Center for Health Statistics (U.S.), issuing body.
National Ambulatory Medical Care Survey (U.S.)
by Beulah K. Cypress.
Patterns of ambulatory care in general and family practice : the National Ambulatory Medical Care Survey, United States, January 1980-December 1981