- Genotypic and phenotypic analysis of type III secretion system in a cohort of Pseudomonas aeruginosa bacteremia isolates: evidence for a possible association between O serotypes and exo genes. Berthelot, P., Attree, I., Plésiat, P., Chabert, J., de Bentzmann, S., Pozzetto, B., Grattard, F. J. Infect. Dis. (2003)