Title: National ambulatory medical care survey, 1990 : Drug mentions
Authors: National Center for Health Statistics (U.S.); Inter-university Consortium for Political and Social Research.
Publisher: Inter-university Consortium for Political and Social Research [distributor],
Year: 1994
Subjects: Physician services utilization United States Statistics.; Ambulatory medical care Utilization United States Statistics.; Medical care surveys United States.; United States Statistics, Medical.
Abstract: In 1977 NAMCS sampled patient records from the 1,932 doctors who participated in the survey.