Alexander, J. E., Lock, R. A., Peeters, C. C., Poolman, J. T., Andrew, P. W., Mitchell, T. J., . . . Paton, J. C. (1994). Immunization of mice with pneumolysin toxoid confers a significant degree of protection against at least nine serotypes of Streptococcus pneumoniae.

Alexander, J E., R A. Lock, C C. Peeters, J T. Poolman, P W. Andrew, T J. Mitchell, D. Hansman, e J C. Paton. Immunization of Mice With Pneumolysin Toxoid Confers a Significant Degree of Protection against At Least Nine Serotypes of Streptococcus Pneumoniae. 1994.

Alexander, J E., et al. Immunization of Mice With Pneumolysin Toxoid Confers a Significant Degree of Protection against At Least Nine Serotypes of Streptococcus Pneumoniae. 1994.