1. Epidemiology, genetics, and ecology of toxigenic Vibrio cholerae;Faruque;Microbiol. Mol. Biol. Rev.,1998
2. World Health Organization. Potential use of oral cholera vaccines in emergency situations. Report of a WHO meeting. Report no. WHO/CDS/CSR/EDC/99.4, Geneva, Switzerland, 12–13 May 1999.
3. World Health Organization. Cholera vaccines. Wkly Epidemiol Rec 2001;76:117–24.
4. Field trial of a locally produced killed oral cholera vaccine in Vietnam;Trach;Lancet,1997
5. Investigations into the safety and immunogenicity of a killed oral cholera vaccine developed in Viet Nam;Trach;Bull. WHO,2002