A Study of Safety and Primary Immunogenicity of 9-valent HPV Recombinant Vaccine
A Randomized, Double-Blind and Placebo-Controlled Phase I Study to Evaluate the Safety and Immunogenicity of a 9-valent Human Papillomavirus (Types 6, 11, 16, 18,31,33,45,52 and 58) Recombinant Vaccine (Pichia Pastoris) in 9 to 45 Year Old Chinese Females