Table 2 Types of documents from the PMC open access subset
From: Using cited references to improve the retrieval of related biomedical documents
Document type | # Documents | PubMed coverage (%) |
|---|---|---|
research-article | 202520 | 99.5 |
review-article | 17962 | 98.9 |
case-report | 8854 | 98.5 |
letter | 3268 | 90.5 |
Editorial | 2921 | 95.3 |
other | 13583 | 85.2 |
TOTAL | 249108 | 98.4 |