National Clinical Research
Open Access statistics for National Clinical Research, United States, covering academic research published from 2000 to 2025.
Open Access statistics for National Clinical Research, United States, covering academic research published from 2000 to 2025. Read More.
Open Access Percentage
72%
Total
Publications
7.8K
Total Open
Publications
5.6K
Total
Citations
142K
Open Access
Percentage
72%
Total
Publications
7.8K
Total Open
Publications
5.6K
Total
Citations
142K
Breakdown
Publisher Open
10%
Both
42%
Other Platform Open
19%
Closed
29%
Percentage of Open Access over time
Publisher Open
Both
Other Platform Open
Closed
Volume of Open Access over time
Open
Closed
Publisher Open
OA Journal 71%
2.9K
Hybrid 17%
704
No Guarantees 12%
473
Other Platform Open
Domain 67%
3.2K
Institution 41%
1.9K
Preprint 19%
898
Other Internet 12%
587
Public 1%
31
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
PubMed Central | Domain | 3.2K |
doaj.org OAI-PMH Repository | Institution | 1.8K |
Research Square | Preprint | 782 |
DOI | Other Internet | 478 |
Unknown Repository | Other Internet | 117 |
bioRxiv | Preprint | 70 |
Europe PMC | Domain | 68 |
medRxiv | Preprint | 33 |
Figshare | Public | 32 |
Vrije Universiteit Amsterdam | Institution | 8 |