preferred_name: L1 protein, human papillomavirus type 11 vaccine / L1 protein, human papillomavirus type 16 vaccine / L1 protein, human papillomavirus type 18 vaccine / L1 protein, human papillomavirus type 31 vaccine / L1 protein, human papillomavirus type 33 vaccine / L1 protein, human papillomavirus type 45 vaccine / L1 protein, human papillomavirus type 52 vaccine / L1 protein, human papillomavirus type 58 vaccine / L1 protein, human papillomavirus type 6 vaccine