Office visits by women : the National ambulatory medical care survey, United States, 1977 / [Beulah K. Cypress].
Imprint
Hyattsville, Md. : U.S. Dept. of Health, Education, and Welfare, Public Health Service, Office of Health Research, Statistics, and Technology, National Center for Health Statistics, 1980.
"Data were collected in the National ambulatory medical care survey (NAMCS) ... conducted yearly by the Division of Health Resources Utilization Statistics (DHRUS) of the National Center for Health Statistics (NCHS)."