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Direct-to-consumer advertising and expenditures on prescription drugs: a comparison of experiences in the United States and Canada
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Formato: | Texto |
Lenguaje: | English |
Publicado: |
Open Medicine Publications, Inc.
2007
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2801909/ https://www.ncbi.nlm.nih.gov/pubmed/20101289 |