Closing the door on sample closets.
Harris
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Medical School, Department of Family Practice and Community Health, College of Pharmacy, Department of Pharmaceutical Care and Health Systems, University of Minnesota, USA.
D000329:Advertising / Q000191:economics; D003362:Cost-Benefit Analysis; D004345:Drug Industry / Q000191:economics; D004349:Drug Packaging / Q000191:economics; D006801:Humans; D008910:Minnesota; D010818:Practice Patterns, Physicians' / Q000191:economics