In fact, there have been so many studies conducted on publication bias now, over a hundred, that they've been collected in a systematic review, published in 2010, that took every single study on publication bias that they could find.
Faktisk har der været så mange undersøgelser på publikationsbias nu, over hundrede, at de har været samlet i en systematisk gennemgang,  offentliggjort i 2010, der tog hver enkelt undersøgelse af publikationsbias at de kunne finde.