Organization and phylogenetic interrelationships of genes encoding components of the botulinum toxin complex in proteolytic Clostridium botulinum types A, B and F: evidence of chimeric sequences in the gene encoding the nontoxic nonhemagglutinin co

East A. K., Bhandari M., Stacey J. M., Campbell K. D., Collins M. D.. (1996)

International Journal of Systematic Bacteriology, 46, 1105-1112