The collection and processing of drug information in the National ambulatory medical care survey, United States, 1980 /
Koch, Hugo K.
Campbell, William H.(William Howard),1942-
Hyattsville, Md. : U.S. Dept. of Health and Human Services, Public Health Services, Office of Health, Research, Statistics, and Technology, National Center for Health Statistics,
1982.
Includes bibliographical references.
Drugs
Drugs
Ambulatory medical care
Medical care surveys