Open Access statistics for Northwest Portland Area Indian Health Board, United States, covering academic research published from 2000 to 2025. Read More.
Open Access Percentage
59%
Total
Publications
157
Total Open
Publications
93
Total
Citations
3.4K
Open Access
Percentage
59%
Total
Publications
157
Total Open
Publications
93
Total
Citations
3.4K
Breakdown
Publisher Open
12%
Both
31%
Other Platform Open
16%
Closed
41%
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 45%
30
Hybrid 19%
13
No Guarantees 36%
24
Other Platform Open
Domain 90%
66
Institution 36%
26
Other Internet 5%
4
Preprint 0%
0
Public 0%
0
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
PubMed Central | Domain | 66 |
doaj.org OAI-PMH Repository | Institution | 19 |
DOI | Other Internet | 4 |
University of Manchester | Institution | 3 |
National Institutes of Health | Institution | 3 |
Europe PMC | Domain | 2 |
California Digital Library | Institution | 2 |
University of Toronto | Institution | 1 |
Texas Medical Center | Institution | 1 |
Portland State University | Institution | 1 |
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