Work overview

Section 06 of 08

Data sharing statement

Longitudinal patterns of fentanyl utilisation (medical versus illicit sources) in the United States 2015–2023: a retrospective cohort study

Seungyeon Lee, Wenyu Song, David W. Bates, Richard D. Urman, and Ping Zhang · 2026

Contents

Section 06 of 08

  1. 01Introduction
  2. 02Methods
  3. 03Results
  4. 04Discussion
  5. 05Contributors
  6. 06Data sharing statement
  7. 07Editor note
  8. 08Declaration of interests
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Work overview

Section 6 of 8

Data sharing statement

Seungyeon Lee, Wenyu Song, David W. Bates, Richard D. Urman, and Ping Zhang · about 1 minutes

The data we used is from the Epic Cosmos. Data cannot be downloaded or removed from Cosmos by individual users, but any participating healthcare organization can grant data access to users.