References
- . Connolly, J. H. & O'Neill, H. J.: Echovirus type 4 outbreak in Northern Ireland during 1970–1971. Ulster Med J 41: 155, 1972.
- . Galko, N. V., Vasilevskaya, N. J. & Zhadovskaya, J. S.: Clinic etiological study of enterovirus aseptic meningitis outbreak. In: Proceeding of scientific conference devoted to 50th anniversary of Pasteur Institute, p. 79. Leningrad 1973
- . Hänninen, P. & Pohjonen, R.: Echovirus type 6 meningitis. Clinical and virological observations during an epidemic in Turku in 1968. Scand J Infect Dis 3: 121, 1971.
- . Kaplan, G. V., Bender, T. R., Clark, P. S., Jones, T. S., Sherman, S. A., Noble, G. R., Fegmeier, G. E. & Chin, T. D.: Echovirus type 4 meningitis and related febrile illness. Epidemiologic study of an outbreak in two eskimo communities in 1970. Am J Epidemiol 96: 74, 1972.
- . Keiso, I., Jasuko, M., Eiko, O. & Reisaki, K.: Epidemiological and virological studies on echovirus type 4 meningitis in Japan, 1964. Jpn J Med Sci Biol 21: 11, 1968.
- . Klachko, N. S., Zaitceva, M. S., Galko, N. V. & Scheinberg, T. P.: Specific laboratory diagnosis of enterovirus aseptic meningitis and conditions determining its reliability in the absence of epidemics. J Hyg Epidemiol Microbiol Immunol (Prague) 16: 68, 1972.
- . Klachko, N. S. & Avtushenko, L. A.: Etiology of epidemic outbreaks caused by Coxsackie B4 virus in a kindergarten. In: Enterovirus infections, p. 109. Leningrad 1971.