這篇文章裏的調查是第一次用Randomized populations。婦科常叫人做的Pap smear 更差勁,從未有過Randomized studies。男的這邊PSA screening已經是笑話了!(見下麵的鏈接)
https://www.uspreventiveservicestaskforce.org/Page/Document/UpdateSummaryFinal/prostate-cancer-screening