“…Serological assays based on HPV capsids, which represent conformational viral epitopes, can detect HPVtype restricted antibodies. These assays have been validated as useful tools for seroepidemiologic studies among various cohorts (Van Doornum et al, 1994Dillner, 1995;Nonnenmacher et al, 1995Nonnenmacher et al, , 1996Wideroff et al, 1995Wideroff et al, , 1996aWikström et al, 1995a, b;Lehtinen et al, 1996).…”