An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Epstein JI, Pizov G, Steinberg GD, Carter HB, Pitcock R, Armas OA, Partin A, Walsh PC.Epstein JI, et al.J Urol. 1992 Jul;148(1):87-91. doi: 10.1016/s0022-5347(17)36518-7.J Urol. 1992.PMID: 1613888Free article.Review.
Epstein JI, Steinberg GD.Epstein JI, et al.Cancer. 1990 Nov 1;66(9):1927-32. doi: 10.1002/1097-0142(19901101)66:9<1927::aid-cncr2820660913>3.0.co;2-y.Cancer. 1990.PMID: 1699655