Find duplicates among the PubMed, EMBASE, and Cochrane Library Databases in systematic review.

ABSTRACT:

Background

Finding duplicates is an important phase of systematic review. However, no consensus regarding the methods to find duplicates has been provided. This study aims to describe a pragmatic strategy of combining auto- and hand-searching duplicates in systematic review and to evaluate the prevalence and characteristics of duplicates.

Methods and findings

Literatures regarding portal vein thrombosis (PVT) and Budd-Chiari syndrome (BCS) were searched by the PubMed, EMBASE, and Cochrane library databases. Duplicates included one index paper and one or more redundant papers. They were divided into type-I (duplicates among different databases) and type-II (duplicate publications in different journals/issues) duplicates. For type-I duplicates, reference items were further com

SUBMITTER: Qi X 

PROVIDER: S-EPMC3748039 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature