Determines on the ability of a specifically developed enzyme-linked immunosorbent assay (ELISA) to detect immunoglobulin G (IgG) anti-human papillomavirus16 (anti-HPV16) virion antibodies in the sera of women who had tested positive for genital HPV16 infection by DNA-based method. ELISA reactivity of women's sera to HPV16 L1/L2 particles.