Patterns of ambulatory care in obstetrics and gynecology : the national ambulatory medical care survey, United States, January 1980-December 1981 /
Cypress, Beulah K.
Hyattsville, Md. : U.S. Dept. of Health and Human Services, Public Health Service, National Center for Health Statistics,
1984.
Includes bibliographical references.
Obstetrics
Gynecology
Ambulatory medical care
Physician services utilization
Medical care surveys