translation.en: 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.
translation.zh: 实际上，如今已经有很多关于 “发表偏倚”的研究了， 在2010年发表的被收集并系统性的调查中， 他们能找到的所有的“发表偏倚”的研究 “发表偏倚”的试验案例有一百多项。