Introduction: Although severe acute respiratory syndrome coronavirus-2 infection is causing
mortality in considerable proportion of coronavirus disease-2019 (COVID-19) patients …

The current study systematically reviewed, summarized and meta-analyzed the clinical
features of the vaccines in clinical trials to provide a better estimate of their efficacy, side …

Background Although it is known that resistance training can be as effective as stretch
training to increase joint range of motion, to date no comprehensive meta-analysis has …

Publication bias is a type of systematic error when synthesizing evidence that cannot
represent the underlying truth. Clinical studies with favorable results are more likely …

Publication bias is a serious problem in systematic reviews and meta-analyses, which can
affect the validity and generalization of conclusions. Currently, approaches to dealing with …

Detection of publication and related biases remains suboptimal and threatens the validity
and interpretation of meta-analytical findings. When bias is present, it usually differentially …

Mentoring programs, which pair youth with caring, non-parental adults with the goal of
promoting positive youth development, are an increasingly popular strategy for early …

Objective The objective of this study was to identify the risk factors for each area of post–
intensive care syndrome (PICS) and to determine their effect size. Review method used This …

Abstract Study Objectives To assess the prospective relationship between sleep and obesity
in a paediatric population. Methods We performed a systematic search using PubMed …

We summarize the estimates from over 200 recent studies of active labor market programs.
We classify the estimates by type of program and participant group, and distinguish between …