Is PubMed Central a database?

Related questions

1. What is difference between PubMed and Pubmed Central?
2. How often does PubMed update?
3. Is PubMed legitimate?
4. Are PMC articles peer reviewed?
5. What is PMC Journal?
6. Is PubMed and Medline the same?
7. How often is PubMed updated?
8. Why is PubMed a good database?
9. What are PubMed articles?
10. Are PubMed articles peer reviewed?

Tags

1. #million
2. #sciences
3. #pubmed
4. #references
5. #medicine
6. #medline
7. #1960s
8. #citation
9. #biomedical
10. #national
11. #articles
12. #since
13. #started
14. #different
15. #available
16. #journal
17. #provides
18. #database
19. #central
20. #library