No abstract available
MeSH terms
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Advertising
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Aged
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Drug Costs / trends*
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Drug Industry
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Drug Prescriptions / economics
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Drug Utilization / economics
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Drug Utilization / trends*
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Formularies as Topic
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Health Services Needs and Demand / trends
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Humans
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Managed Care Programs / economics*
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Managed Care Programs / trends
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Patient Participation
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United States