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Proceedings of the National Academy of Sciences of the United States of America
See all articles in PMC from this journal
- NLM Title Abbreviation: Proc Natl Acad Sci U S A
- Publisher: National Academy of Sciences
- ISSN (print): 0027-8424
- ISSN (online): 1091-6490
- NLM Unique ID: 7505876
- Earliest: v.1(1) 1915
- Most Recent: v.122(8) 2025
- Release Delay (Embargo): 6 months
- Agreement Status: Active
- Agreement to Deposit: All articles

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Release delay (Embargo)

Typically, articles are not available in PMC until after the publisher's embargo period. However, in some cases articles may be available in PMC sooner than the default period.
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Agreement Status

Indicates whether the journal is currently depositing content in PMC. See our User Guide for definitions of each status.
- Active (1)
- No longer published (0)
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Agreement to Deposit

Indicates whether the journal has a formal agreement with PMC to deposit all of its published articles. Publishers complete a formal PMC Participation Agreement with NLM that specifies what content they deposit in PMC. "All" indicates a Full Participation agreement under which the publisher is depositing the complete contents of each issue or volume of the journal. "NIH funded" indicates an NIH Portfolio participation agreement under which the publisher is depositing, at a minimum, NIH-funded articles from the journal.
- All articles (1)
- NIH-funded articles (0)
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The PMC Journal List includes journals that:

1) have an agreement with NLM to make the final published version of all their articles, or all their NIH-funded articles, available in PMC or

2) are historically-significant journals from the Biomedical Journal Digitization project.

The PMC archive also includes select final published articles and author manuscripts from other journals that are not searchable in the PMC Journal List. If you cannot find the journal you are looking for, refer to the PMC User Guide for assistance.

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