Changes in industry marketing payments to physicians during the covid-19 pandemic: quasi experimental, difference-in-difference study
Objective To determine changes in industry marketing payments to physicians due to the covid-19 pandemic.Design Quasi experimental, difference-in-difference study.Data source US nationwide database of licensed physicians, the National Plan and Provider Enumeration System, which was linked to a datab...
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| Autors principals: | , , , |
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| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
BMJ Publishing Group
2022-12-01
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| Col·lecció: | BMJ Medicine |
| Accés en línia: | https://bmjmedicine.bmj.com/content/1/1/e000219.full |
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