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date: 23 January 2025

Weber Effect 

Source:
A Dictionary of Epidemiology
Author(s):

Miquel Porta

A phenomenon of increased volume of reported adverse events for new drugs within their first years of approval. Older drugs are thought to be better understood as they have been around for longer time and, therefore, clinicians feel there is less need to report adverse events. This may lead to biases when comparing medications with different periods since marketing.... ...

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