National Clinical Research

National Clinical Research

Open Access statistics for National Clinical Research, United States, covering academic research published from 2000 to 2024.

Open Access statistics for National Clinical Research, United States, covering academic research published from 2000 to 2024. Read More.


Open Access Percentage

67%


Total
Publications

3.9K


Total Open
Publications

2.6K


Total
Citations

55K


Open Access
Percentage

67%


Total
Publications

3.9K


Total Open
Publications

2.6K


Total
Citations

55K

Website

download

Breakdown

14% 34% 19% 33%

Publisher Open

14%

Both

34%

Other Platform Open

19%

Closed

33%

Percentage of Open Access over time

0%10%20%30%40%50%60%70%80%90%100%
2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024

Publisher Open

Both

Other Platform Open

Closed

Volume of Open Access over time

0100200300400500600700Total Publications
2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024

Open

Closed

Publisher Open

52%OA Journal

OA Journal 52%

987

Hybrid 34%

630

No Guarantees 14%

271

Other Platform Open

Domain 58%

1.2K

Preprint 38%

803

Other Internet 11%

234

Public 6%

116

Institution 3%

73

Other Platform Locations

Name

Platform Type

Publications

PubMed Central
Domain
1.2K
Research Square
Preprint
721
Europe PMC
Domain
352
DOI
Other Internet
212
Semantic Scholar
Public
102
bioRxiv
Preprint
84
Taylor and Francis Group - Dove Medical Press
Other Internet
49
Unknown Repository
Other Internet
48
medRxiv
Preprint
28
Figshare
Public
21
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Data updated 7 April 2025

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