Human papillomavirus infection in genital women in four regions of SenegalEl HadjiSeydou Mbaye*, Tarik Gheit Ahmadou Dem, Sandrine McKay-Chopin, NdeyeCoumba Toure-Kane, Souleymane Mboup, Massimo Tommasino, Bakary S.Sylla, CheikhSaadBouh BoyeInternational Agency for Research on Cancer (IARC/WHO), France