Drug utilization in general and family practice by characteristics of physicians and office visits: National Ambulatory Medical Care Survey, 1980.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000553:Ambulatory Care; D004363:Drug Utilization; D005194:Family Practice; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010820:Physicians / Q000706:statistics & numerical data; D012737:Sex Factors; D013223:Statistics as Topic; D014481:United States