This paper summarizes the main features of review articles in medical topics. Articles can be classified as narrative reviews, systematic reviews or meta-analysis. Narrative reviews are appropriate to update etiology, ...

Objectives: To report systematic review definitions that are published in overviews of reviews and to propose a new classification of systematic reviews. Study Design and Setting: In this review of overviews, we searched ...

Objectives: To assess the changes in the risk of bias (RoB) across different versions of the same Cochrane systematic review, and to identify characteristics of systematic reviews which may be associated with different RoB ...

The objective of this study was to conduct a systematic review of studies that analyzed the effect of physical exercise on the peripheral levels of BDNF in elderly individuals. Method: We conducted a search in PsycINFO, ...

The objective of this study was to conduct a systematic review of studies that analyzed the effect of physical exercise on the peripheral levels of BDNF in elderly individuals. Method: We conducted a search in PsycINFO, ...

Background: Systematic literature reviews and systematic mapping studies are becoming increasingly common in software engineering, and hence it becomes even more important to better understand the reliability of such ...

OBJECTIVES: The purpose of this systematic review was to answer the focus question: "Could the gray values (GVs) from CBCT (cone beam computed tomography) be converted to Hounsfield units (HUs) in multidetector computed ...