Drug Utilization in Office Practice by Age and Sex of the Patient, National Ambulatory Medical Care Survey, 1980Drug Utilization in Office Practice by Age and Sex of the Patient, National Ambulatory Medical Care Survey, 1980
Hyattsville, Md. : U.S. Dept. of Health and Human Services, Public Health Service, Office of Health Research, Statistics, and Technology, National Center for Health Statistics, 1982.
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