@article {dhslfg72, title = {Immunity in Shigellosis. I. Response of Man to Attenuated Strains of Shigella}, journal = {Journal of Infectious Diseases}, volume = {125}, year = {1972}, pages = {1}, author = {DuPont, H. L. and Hornick, R. B. and Snyder, M. J. and Libonati, J. P. and Formal, S. B. and Gangarosa, E. J.} }