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Table 4 Characteristics included in the ‘grey’ literature

From: Development of a national medical leadership competency framework: the Dutch approach

Record typeTotal of records%
1. Online web pages1126.8%
2. Opinion article614.6%
3. Journalistic article614.6%
4. Professional association paper / report49.8%
5. Thesis (MSc or PhD)49.8%
6. Professional journal (not indexed)37.3%
7. Book chapter24.9%
8. Essay24.9%
9. Policy (research) report24.9%
10. Healthcare organization report12.4%
Total records41100.0%