Abstract Background and Objectives Assessing changes in coverage, recall, review,
conclusions and references not found when searching fewer databases. Methods In …

Objective To assess the effects of abbreviated literature searches on evidence syntheses
conclusions. Study design and setting We randomly selected 60 Cochrane reviews of …

Objective Article full texts are often inaccessible via the standard search engines of
biomedical literature, such as PubMed and Embase, which are commonly used for …

Objectives The objective of this study was to determine if the authors mention overlapping
reviews in overviews (reviews of reviews). In addition, we aimed to calculate the actual …

Background There is no consensus on whether screening titles alone or titles and abstracts
together is the preferable strategy for inclusion of articles in a systematic review. Methods …

OBJECTIVE: To examine published overviews of systematic reviews in terms of descriptive
and methodological characteristics. STUDY DESIGN AND SETTING: MEDLINE, Database of …

OBJECTIVES: The reporting of the search methods used in systematic reviews has
implications for how systematic reviews are critically appraised, their reproducibility and how …

Background Systematic reviews summarize all pertinent evidence on a defined health
question. They help clinical scientists to direct their research and clinicians to keep updated …

Introduction Positive results have a greater chance of being published and outcomes that
are statistically significant have a greater chance of being fully reported. One consequence …

OBJECTIVES: To determine the overall quality of reporting of meta-analyses (QUOROMs) of
randomized controlled trials (RCTs) based on the QUOROM statement, to compare the …