Safety and immunogenicity of a vaccine targeting human papillomavirus types 6, 11, 16 and 18: a randomized, placebo-controlled trial in 176 Korean subjects
S. Kang, K. H. Kim, Y. T. Kim, Y. T. Kim, J. H. Kim, Y. S. Song, S. H. Shin, H. S. Ryu, J. W. Han, J. H. Kang, S. Y. Park
International Journal of Gynecologic Cancer Aug 2008, 18 (5) 1013-1019; DOI: 10.1111/j.1525-1438.2007.01123.x