The use of medicines: historical trends and international comparisons.
D002170:Canada; D003431:Cross-Cultural Comparison; D003695:Delivery of Health Care; D003710:Demography; D011307:Drug Prescriptions; D004358:Drug Therapy / Q000266:history; D004363:Drug Utilization; D005060:Europe; D005252:Fees, Pharmaceutical; D005382:Financing, Personal; D006076:Government; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007221:Industry; D007356:Insurance, Pharmaceutical Services; D009017:Morbidity; D004366:Nonprescription Drugs; D010820:Physicians / Q000600:supply & distribution; D011364:Professional Practice; D012922:Social Change; D012959:Socioeconomic Factors; D013020:South America; D014481:United States
D004366:Nonprescription Drugs