Wincze J, Rosen R, Carson C, Korenman S, Niederberger C, Sadovsky R, McLeod L, Thibonnier M, Merchant S. Erection quality scale: initial scale development and validation. Urology. 2004 Aug 1;64(2):351-6.
Hoerger TJ, Harris R, Hicks KA, Donahue K, Sorensen S, Engelgau M. Screening for type 2 diabetes mellitus: a cost-effectiveness analysis. Ann Intern Med. 2004 May 4;140(9):689-99.
Rothman KJ. Significance questing. Ann Intern Med. 1986 Jan 1;105(3):445-7. doi: 10.7326/0003-4819-105-3-445