Comparison of antibody titers in eleven- to twelve-year old Japanese school children six years after administration of acellular and whole cell pertussis vaccines combined with diphtheria-tetanus toxoids
K. Okada et al., Comparison of antibody titers in eleven- to twelve-year old Japanese school children six years after administration of acellular and whole cell pertussis vaccines combined with diphtheria-tetanus toxoids, PEDIAT INF, 17(12), 1998, pp. 1167-1169