Rx-to-OTC switch movement.
School of Public Health, University of Texas-Houston 77225.
P V
PV
Rosenau
D017277:Drug Approval; D004345:Drug Industry; D011307:Drug Prescriptions / Q000592:standards*; D004335:Drug and Narcotic Control; D004366:Nonprescription Drugs / Q000191:economics / Q000592:standards*; D010595:Pharmacists; D010820:Physicians; D012651:Self Medication / Q000639:trends*; D012959:Socioeconomic Factors; D014481:United States; D014486:United States Food and Drug Administration