title: Out-of-pocket cost and acquisition of prescribed medicines: United States, 1973.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003365:Costs and Cost Analysis; D011307:Drug Prescriptions / Q000191:economics*; D005260:Female; D005382:Financing, Personal; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D012737:Sex Factors; D012959:Socioeconomic Factors; D014481:United States