zations have proposed hierarchies of evidence, based on the relative reliability of various types of study designs. [1][2][3][4] Although many people recognize that expert opinions and nonsystematic reviews provide the least reliable level of information, 5,6 such articles continue to have a massive
β¦ LIBER β¦
Relative Citation Impact of Various Study Designs in the Health Sciences
β Scribed by Patsopoulos, Nikolaos A.
- Book ID
- 118131912
- Publisher
- American Medical Association
- Year
- 2005
- Tongue
- English
- Weight
- 120 KB
- Volume
- 293
- Category
- Article
- ISSN
- 0098-7484
No coin nor oath required. For personal study only.
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## Abstract We investigated how citations from documents labeled by the Institute for Scientific Information (ISI) as βeditorial materialβ contribute to the impact factor of academic journals in which they were published. Our analysis is based on records corresponding to the documents classified by