1. Onischenko GG, Lomov YuM, Moskvitina EA, Podosinnikova LS. Cholera. In: Pokrovsky VI, Onischenko GG, Cherkassky BL, editors. Evolution of infectious diseases in Russia in the XX century. Moscow: “Meditsina”; 2003.pp. 103–36 [in Russian].
2. Onischenko GG, Lomov YuM, Moskvitina EA, Fedorov YuM, Podosinnikova LS, Gorobets AV. Cholera at the beginning of the XXI century. Prognosis. Zh Mikrobiol Epidemiol Immunobiol. 2005;3:44–8 [in Russian].
3. Bachelor RA, Wignall FS. Nontoxigenic O1 Vibrio cholerae in Peru: a report of two cases associated with diarrhea. Diagn Microbiol Infect Dis. 1988;10:135–8.
4. Pal A, Saha PK, Nair GB, Yamasaki S, Takeda T, Takeda Y, Bhattacharya SK, Ramamurthy T. Clonal analysis of non-toxigenic Vibrio cholerae O1 associated with the outbreak of cholera. Indian J Med Res. 1999;109:208–11.
5. Pichel M, Rivas M, Chinen I, Martin F, Ibarra C, Binsztein N. Genetic diversity of Vibrio cholerae O1 in Argentina and emergence of a new variant. J Clin Microbiol. 2003;41:124–34.