Why is PubMed a good database?

Related questions

1. Is PubMed and Medline the same?
2. What is PMC Journal?
3. Are PMC articles peer reviewed?
4. Are articles on PubMed peer reviewed?
5. What is the meaning of peer reviewed journals?
6. What is included in PubMed?
7. What is PMC in PubMed?
8. Is PubMed Medline?
9. What is difference between PubMed and Pubmed Central?
10. What is the difference between Google Scholar and PubMed?

Tags

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2. #bells
3. #specificity
4. #these
5. #clinical
6. #science
7. #biomedical
8. #whistles
9. #subject
10. #focuses
11. #journals
12. #pubmed
13. #three
14. #search
15. #results
16. #matter
17. #inclusion
18. #databases
19. #literature
20. #based