# Impact of covert duplicate publication on meta-analysis: a case study

**Type:** Papers  
**Canonical URL:** https://picoportal.org/library/papers/impact-of-covert-duplicate-publication-on-meta-analysis-a-case-study/

## Facts

| Field | Value |
| --- | --- |
| Author Names | Martin R. Tramèr,D. John M. Reynolds,R Andrew Moore,H J McQuay |
| Citations | 698 |
| DOI | 10.1136/bmj.315.7109.635 |
| Fields | Medicine,Pharmacology, Toxicology and Pharmaceutics |
| Open Access | true |
| OA Status | green |
| OpenAlex ID | https://openalex.org/W2092233783 |
| PMID | 9310564 |
| Type | article |
| Year | 1997 |

## Paper authors

- [Martin R. Tramèr](https://picoportal.org/library/researchers/martin-r-tramer/)
- [D. John M. Reynolds](https://picoportal.org/library/researchers/d-john-m-reynolds/)
- [R Andrew Moore](https://picoportal.org/library/researchers/r-andrew-moore-2/)

## Paper journal

- [BMJ](https://picoportal.org/library/journals/bmj-2/)

## Paper primary topic

- [Nausea and vomiting management](https://picoportal.org/library/topics/nausea-and-vomiting-management/)

## Paper topics

- [Nausea and vomiting management](https://picoportal.org/library/topics/nausea-and-vomiting-management/)
- [Anesthesia and Sedative Agents](https://picoportal.org/library/topics/anesthesia-and-sedative-agents/)
- [Pharmacovigilance and Adverse Drug Reactions](https://picoportal.org/library/topics/pharmacovigilance-and-adverse-drug-reactions/)

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Source: PICO Portal — public research metadata, principally OpenAlex. See https://picoportal.org/library/sources/ for provenance and https://picoportal.org/library/methodology/ for what these figures mean.