}}</ref> Researchers have a poor ability to visually discern publication bias from funnel plots.<ref>{{Cite journal|lastlast1=LauTerrin|firstfirst3=JosephN.|last2=Schmid|first2=ChristopherC. H.|last3=TerrinLau|first3first=NormaJ.|dateyear=2005-09-01|title=In an empirical evaluation of the funnel plot, researchers could not visually identify publication bias|url=https://www.jclinepi.com/article/S0895-4356(05)00082-X/abstract|journal=Journal of Clinical Epidemiology|language=English|volume=58|issue=9|pages=894–901|doi=10.1016/j.jclinepi.2005.01.006|issn=0895-4356|pmid=16085192}}</ref>