英语口语：I really wanna sleep in. 我想睡到自然醒

PMC

PubMed Central? (PMC) is a free full-text archive of biomedical and life sciences journal literature at the U.S. National Institutes of Health's National Library of Medicine (NIH/NLM).

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• PMC Overview
• Users' Guide
• Journal List
• PMC FAQs
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• Information for Publishers
• Add a Journal to PMC
• Participation Agreements
• File Submission Specifications
• File Validation Tools

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Other Resources

• PMC International
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• NLM LitArch
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4.1 MILLION Articles are archived in PMC.

Content provided in part by:

1949 Full Participation Journals

321 NIH Portfolio Journals

3993 Selective Deposit Journals

Public Access

• Funders and PMC
• How Papers Get Into PMC
• NIH Manuscript Submission System
• My Bibliography
• PMCID/PMID/NIHMSID Converter