这篇文章里的调查是第一次用Randomized populations。妇科常叫人做的Pap smear 更差劲,从未有过Randomized studies。男的这边PSA screening已经是笑话了!(见下面的链接)
https://www.uspreventiveservicestaskforce.org/Page/Document/UpdateSummaryFinal/prostate-cancer-screening