Floridia M, Tamburrini E, Anzidei G, Tibaldi C, Muggiasca ML, Guaraldi G, Fiscon M, Vimercati A, Martinelli P, Donisi A, Dalzero S, Ravizza M. Declining HCV seroprevalence in pregnant women with HIV. Epidemiol Infect 2010;138(9):1317-21.