Abstract

The end of the 1990s witnessed the development of evidence-based medicine, which proposed to screen, organize, and classify knowledge production in the health sciences. In this period, an increasing number of scientific publications started to incorporate the digital format and became easily accessible through the Internet. Since then, we have become used to the idea that there is a hierarchy in medical evidence. Its upper stratum, the gold standard of evidence, contains systematic reviews and meta-analyses of randomized clinical trials. The base of such hierarchy contains case studies, clinical cases, and personal opinions.This knowledge hierarchy is not harmless. It has practical influences on...