Changes in clinical trials methodology over time: a systematic review of six decades of research in psychopharmacology.
There have been many changes in clinical trials methodology since the introduction of lithium and the beginning of the modern era of psychopharmacology in 1949. The nature and importance of these changes have not been fully addressed to date. As methodological flaws in trials can lead to false-negat...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
Public Library of Science (PLoS)
2010-03-01
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Series: | PLoS ONE |
Online Access: | http://europepmc.org/articles/PMC2831060?pdf=render |