TY - JOUR AU - Wang, S S; Schiffman, M; Shields, T S; Herrero, R; Hildesheim, A; Bratti, M C TI - Seroprevalence of human papillomavirus-16, − 18, − 31, and − 45 in a population-based cohort of 10000 women in Costa Rica JO - Br J Cancer VL - 89 PY - 2003 DO - 10.1038/sj.bjc.6601272 SP - 1248 EP - 1254 N1 - et al. ER -