Petersen, L K, Restrepo, J, Moreira, E D, Iversen, O-E, Pitisuttithum, P, Van Damme, P, Joura, E A, Olsson, S-E, Ferris, D, Block, S, Giuliano, A R, Bosch, X, Pils, S, Cuzick, J, Garland, S M, Huh, W, Kjaer, S K, Bautista, O M, Hyatt, D, Maansson, R, Moeller, E, Qi, H, Roberts, C & Luxembourg, A 2017, ' Impact of baseline covariates on the immunogenicity of the 9-valent HPV vaccine-A combined analysis of five phase III clinical trials ', Papillomavirus Research, vol. 3, pp. 105-115 . https://doi.org/10.1016/j.pvr.2017.03.002 Petersen, L K, Restrepo, J, Moreira, E D, Iversen, O-E, Pitisuttithum, P, Van Damme, P, Joura, E A, Olsson, S-E, Ferris, D, Block, S, Giuliano, A R, Bosch, X, Pils, S, Cuzick, J, Garland, S M, Huh, W, Kjaer, S K, Bautista, O M, Hyatt, D, Maansson, R, Moeller, E, Qi, H, Roberts, C & Luxembourg, A 2017, ' Impact of baseline covariates on the immunogenicity of the 9-valent HPV vaccine-A combined analysis of five phase III clinical trials ', Papillomavirus research (Amsterdam, Netherlands), vol. 3, pp. 105-115 . https://doi.org/10.1016/j.pvr.2017.03.002 Papillomavirus Research, Vol 3, Iss, Pp 105-115 (2017) Papillomavirus Research