A bias by absence
Publication bias in meta-analysis. Publication bias, characteristic of meta-analyzes, is described. Some of the methods to assess the existence of the risk of bias are shown.

Evidence Based Medicine pills

Evidence Based Medicine pills
Publication bias in meta-analysis. Publication bias, characteristic of meta-analyzes, is described. Some of the methods to assess the existence of the risk of bias are shown.
Publication bias. There is publication bias when not all the relevant information on a topic is published. The methods available to detect it are described.