Achtman, M., van der Ende, A., Zhu, P., Koroleva, I. S., Kusecek, B., Morelli, G., Schuurman, I. G. A., Brieske, N., Zurth, K., Kostyukova, N. N., & Platonov, A. E. (2001). Molecular epidemiology of serogroup a meningitis in Moscow, 1969-1997. Emerging Infectious Diseases, 7(3), 420-427.