NCBI Support Center
- Help Topics
PMCNIH NCBI Help TopicsLiteraturePMC
- Are there any restrictions on the use of the material in PMC?
- Can I download a batch of articles from PMC for text mining or other purposes?
- What happens if a journal ceases its participation in PubMed Central (PMC)? Will the existing articles be removed?
- What is the difference between PubMed Central (PMC) and PubMed?
- What is the PMC Open Access subset? Isn't everything in PMC open access?
- Where can I get permissions to reproduce articles or images?
- Which agencies and organizations name PMC as the repository for their funded research?
- Who provides content to PMC and how do I find out if my journal of interest fully participates in PMC?