Table 1.
Journal databases/resources
| Database | Approximate number of journals | Number of records | Maintained by | Comments | Link |
|---|---|---|---|---|---|
| CINAHL | 5500 | 6,000,000 | EBSCO | EBSCO publishes numerous resources; CINAHL focuses on nursing/allied health resources | https://health.ebsco.com/products/the-cinahl-database |
| EMBASE | 8500 | 32,000,000 | Elsevier | Elsevier is a publisher; EMBASE covers Medline plus~2000 other biomedical journals, mostly European. Also includes conference abstracts | https://www.embase.com/login |
| Index Copernicus | 45,500 (6500 with Index Copernicus Value) | Not applicable | Index Copernicus International | Includes nonjournal data separately, with a focus on non-English-language journals and qualitatively defined numeric rankings | https://journals.indexcopernicus.com/ |
| DOAJ | 12,000 | 3,725,000 | Infrastructure services for open access CIC | Directory of Open Access Journals is an independently curated not-for-profit membership-based database | https://doaj.org |
| Journal Citation Reports | 11,500 | 2,200,000 | Clarivate Analytics | Integrated with the subscription ISI Web of Science, source of proprietary JIF | https://clarivate.com/products/journal-citation-reports/ |
| MEDLINE | 5200 | 25,000,000 | U.S. NLM | Primary component of PubMed, made available to commercial suppliers | https://www.nlm.nih.gov/bsd/medline.html |
| PubMed | 30,000 | 29,000,000 | U.S. NLM | Produced by the NLM and freely available. Includes MEDLINE and PubMed Central | https://www.ncbi.nlm.nih.gov/pubmed/ |
| PubMed Central | 7460 | 5,200,000 | U.S. NLM | Subset of PubMed, number includes only full participation, NIH portfolio, and selective deposit journals; does not include journals with only author-deposited articles | https://www.ncbi.nlm.nih.gov/pmc/ |
| Scopus | 22,800 | 71,000,000 | Elsevier | As with EMBASE, administered by Elsevier, but with an independent board governing content | https://www.elsevier.com/solutions/scopus |
| Stop Predatory Journals | 1400 | Not applicable | Anonymous | Lists potentially predatory journals; 10 criteria for defining “predatory” are published at the URL at right | https://predatoryjournals.com/about/ |
CIC: Community Interest Company, NLM: National Library of Medicine, JIF: Journal Impact Factor, NIH: National Institutes of Health, CINAHL: Cumulative Index to Nursing and Allied Health Literature