[Comparative study of the synthesis and specificity of enterotoxin from Vibrio cholerae O139 serotype using monoclonal antibodies].

Strains of V. cholerae serovar 0139 showed a higher intensity of multiplication and lesser nutritive requirements and produced 2-5 times higher amounts of enterotoxin during in-depth culturing than cholera vibrios of groups O1 and non-O1. R-forms of V.