We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleTreg suppressive activity involves estrogen-dependent expression of programmed death-1 (PD-1).AuthorsPolanczyk MJ; Hopke C; Vandenbark AA; Offner HPublicationInternational immunology, 2007, Vol 19, Issue 3, p337ISSN0953-8178Publication typearticleDOI10.1093/intimm/dxl151