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. 2023 Dec 9;2(1):qxad075. doi: 10.1093/haschl/qxad075

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© The Author(s) 2023. Published by Oxford University Press on behalf of Project HOPE - The People-To-People Health Foundation, Inc.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 1. — Trends in 340B participation by chain status (2009–2022). Bars represent the number of retail pharmacies with 340B contracts per chain in each year. n = 388 324 contract-years, representing a total of 33 951 unique pharmacy locations.