Copyright information:Taken from "Expression of androgen receptor and prostate-specific antigen in male breast carcinoma"Breast Cancer Research 2003;6(1):R18-R23.Published online 7 Nov 2003PMCID:PMC314449.Copyright © 2004 Kidwai et al., licensee BioMed Central Ltd. This is an Open Access article: verbatim copying and redistribution of this article are permitted in all media for any purpose, provided this notice is preserved along with the article's original URL. Medium magnification.